Home / 378,487,962.40-567,731,943.60-369,984,906.40

Finding the Fourth Proportional to 378,487,962.40, 567,731,943.60 and 369,984,906.40

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Solution

The fourth proportional to 378,487,962.40, 567,731,943.60 and 369,984,906.40 is: 554,977,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,487,962.40 : 567,731,943.60 = 369,984,906.40 : x
  2. Step 2: Convert to fraction form
    378,487,962.40/567,731,943.60 = 369,984,906.40/x
  3. Step 3: Cross multiply
    378,487,962.40x = 567,731,943.60 × 369,984,906.40
  4. Step 4: Simplify right side
    378,487,962.40x = 210,052,250,013,136,064
  5. Step 5: Solve for x
    x = 210,052,250,013,136,064/378,487,962.40
  6. Step 6: Final answer
    x = 554,977,359.60

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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.