Home / 578,712,487.38-798,628,829.76-314,396,371.86

Finding the Fourth Proportional to 578,712,487.38, 798,628,829.76 and 314,396,371.86

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Solution

The fourth proportional to 578,712,487.38, 798,628,829.76 and 314,396,371.86 is: 433,870,033.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,712,487.38 : 798,628,829.76 = 314,396,371.86 : x
  2. Step 2: Convert to fraction form
    578,712,487.38/798,628,829.76 = 314,396,371.86/x
  3. Step 3: Cross multiply
    578,712,487.38x = 798,628,829.76 × 314,396,371.86
  4. Step 4: Simplify right side
    578,712,487.38x = 251,086,006,539,341,600
  5. Step 5: Solve for x
    x = 251,086,006,539,341,600/578,712,487.38
  6. Step 6: Final answer
    x = 433,870,033.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.