Home / 749,604,010.40-1,124,406,015.60-442,738,167.20

Finding the Fourth Proportional to 749,604,010.40, 1,124,406,015.60 and 442,738,167.20

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Solution

The fourth proportional to 749,604,010.40, 1,124,406,015.60 and 442,738,167.20 is: 664,107,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,604,010.40 : 1,124,406,015.60 = 442,738,167.20 : x
  2. Step 2: Convert to fraction form
    749,604,010.40/1,124,406,015.60 = 442,738,167.20/x
  3. Step 3: Cross multiply
    749,604,010.40x = 1,124,406,015.60 × 442,738,167.20
  4. Step 4: Simplify right side
    749,604,010.40x = 497,817,458,535,398,528
  5. Step 5: Solve for x
    x = 497,817,458,535,398,528/749,604,010.40
  6. Step 6: Final answer
    x = 664,107,250.80

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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.