Home / 359,533,110.40-538,387,281.60-197,792,310.40

Finding the Fourth Proportional to 359,533,110.40, 538,387,281.60 and 197,792,310.40

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Solution

The fourth proportional to 359,533,110.40, 538,387,281.60 and 197,792,310.40 is: 296,186,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,533,110.40 : 538,387,281.60 = 197,792,310.40 : x
  2. Step 2: Convert to fraction form
    359,533,110.40/538,387,281.60 = 197,792,310.40/x
  3. Step 3: Cross multiply
    359,533,110.40x = 538,387,281.60 × 197,792,310.40
  4. Step 4: Simplify right side
    359,533,110.40x = 106,488,864,317,639,424
  5. Step 5: Solve for x
    x = 106,488,864,317,639,424/359,533,110.40
  6. Step 6: Final answer
    x = 296,186,529.80

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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.