Home / 378,487,965.40-567,731,948.10-369,984,909.40

Finding the Fourth Proportional to 378,487,965.40, 567,731,948.10 and 369,984,909.40

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Solution

The fourth proportional to 378,487,965.40, 567,731,948.10 and 369,984,909.40 is: 554,977,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,487,965.40 : 567,731,948.10 = 369,984,909.40 : x
  2. Step 2: Convert to fraction form
    378,487,965.40/567,731,948.10 = 369,984,909.40/x
  3. Step 3: Cross multiply
    378,487,965.40x = 567,731,948.10 × 369,984,909.40
  4. Step 4: Simplify right side
    378,487,965.40x = 210,052,253,381,264,000
  5. Step 5: Solve for x
    x = 210,052,253,381,264,000/378,487,965.40
  6. Step 6: Final answer
    x = 554,977,364.10

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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.