Home / 1,300,232,002.60-1,950,348,003.90-749,233,973.80

Finding the Fourth Proportional to 1,300,232,002.60, 1,950,348,003.90 and 749,233,973.80

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Solution

The fourth proportional to 1,300,232,002.60, 1,950,348,003.90 and 749,233,973.80 is: 1,123,850,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,232,002.60 : 1,950,348,003.90 = 749,233,973.80 : x
  2. Step 2: Convert to fraction form
    1,300,232,002.60/1,950,348,003.90 = 749,233,973.80/x
  3. Step 3: Cross multiply
    1,300,232,002.60x = 1,950,348,003.90 × 749,233,973.80
  4. Step 4: Simplify right side
    1,300,232,002.60x = 1,461,266,985,254,894,848
  5. Step 5: Solve for x
    x = 1,461,266,985,254,894,848/1,300,232,002.60
  6. Step 6: Final answer
    x = 1,123,850,960.70

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Half scale
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Double scale
Find fourth proportional to 1,300,232,003.60, 1,950,348,005.40 and 749,233,974.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.