Home / 1,119,744,154.80-1,679,616,232.20-1,012,605,649.20

Finding the Fourth Proportional to 1,119,744,154.80, 1,679,616,232.20 and 1,012,605,649.20

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Solution

The fourth proportional to 1,119,744,154.80, 1,679,616,232.20 and 1,012,605,649.20 is: 1,518,908,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,154.80 : 1,679,616,232.20 = 1,012,605,649.20 : x
  2. Step 2: Convert to fraction form
    1,119,744,154.80/1,679,616,232.20 = 1,012,605,649.20/x
  3. Step 3: Cross multiply
    1,119,744,154.80x = 1,679,616,232.20 × 1,012,605,649.20
  4. Step 4: Simplify right side
    1,119,744,154.80x = 1,700,788,885,213,739,008
  5. Step 5: Solve for x
    x = 1,700,788,885,213,739,008/1,119,744,154.80
  6. Step 6: Final answer
    x = 1,518,908,473.80

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Double scale
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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.