Home / 378,674,904,084.50-522,587,794,281.12-209,702,175,252.50

Finding the Fourth Proportional to 378,674,904,084.50, 522,587,794,281.12 and 209,702,175,252.50

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Solution

The fourth proportional to 378,674,904,084.50, 522,587,794,281.12 and 209,702,175,252.50 is: 289,398,098,577.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,674,904,084.50 : 522,587,794,281.12 = 209,702,175,252.50 : x
  2. Step 2: Convert to fraction form
    378,674,904,084.50/522,587,794,281.12 = 209,702,175,252.50/x
  3. Step 3: Cross multiply
    378,674,904,084.50x = 522,587,794,281.12 × 209,702,175,252.50
  4. Step 4: Simplify right side
    378,674,904,084.50x = 109,587,797,221,156,835,033,088
  5. Step 5: Solve for x
    x = 109,587,797,221,156,835,033,088/378,674,904,084.50
  6. Step 6: Final answer
    x = 289,398,098,577.73

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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.