Home / 398,607,931.80-597,911,897.70-333,984,706.20

Finding the Fourth Proportional to 398,607,931.80, 597,911,897.70 and 333,984,706.20

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Solution

The fourth proportional to 398,607,931.80, 597,911,897.70 and 333,984,706.20 is: 500,977,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,607,931.80 : 597,911,897.70 = 333,984,706.20 : x
  2. Step 2: Convert to fraction form
    398,607,931.80/597,911,897.70 = 333,984,706.20/x
  3. Step 3: Cross multiply
    398,607,931.80x = 597,911,897.70 × 333,984,706.20
  4. Step 4: Simplify right side
    398,607,931.80x = 199,693,429,486,818,976
  5. Step 5: Solve for x
    x = 199,693,429,486,818,976/398,607,931.80
  6. Step 6: Final answer
    x = 500,977,059.30

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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.