Home / 1,023,119,986.80-1,534,679,980.20-377,139,673.20

Finding the Fourth Proportional to 1,023,119,986.80, 1,534,679,980.20 and 377,139,673.20

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Solution

The fourth proportional to 1,023,119,986.80, 1,534,679,980.20 and 377,139,673.20 is: 565,709,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,119,986.80 : 1,534,679,980.20 = 377,139,673.20 : x
  2. Step 2: Convert to fraction form
    1,023,119,986.80/1,534,679,980.20 = 377,139,673.20/x
  3. Step 3: Cross multiply
    1,023,119,986.80x = 1,534,679,980.20 × 377,139,673.20
  4. Step 4: Simplify right side
    1,023,119,986.80x = 578,788,706,199,210,496
  5. Step 5: Solve for x
    x = 578,788,706,199,210,496/1,023,119,986.80
  6. Step 6: Final answer
    x = 565,709,509.80

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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.