Home / 491,019,937.60-736,636,194.60-146,008,440.40

Finding the Fourth Proportional to 491,019,937.60, 736,636,194.60 and 146,008,440.40

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Solution

The fourth proportional to 491,019,937.60, 736,636,194.60 and 146,008,440.40 is: 219,044,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,019,937.60 : 736,636,194.60 = 146,008,440.40 : x
  2. Step 2: Convert to fraction form
    491,019,937.60/736,636,194.60 = 146,008,440.40/x
  3. Step 3: Cross multiply
    491,019,937.60x = 736,636,194.60 × 146,008,440.40
  4. Step 4: Simplify right side
    491,019,937.60x = 107,555,101,915,736,912
  5. Step 5: Solve for x
    x = 107,555,101,915,736,912/491,019,937.60
  6. Step 6: Final answer
    x = 219,044,266.19

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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.