Home / 878,705,223,678.75-1,318,062,278,448.50-274,279,762,091.91

Finding the Fourth Proportional to 878,705,223,678.75, 1,318,062,278,448.50 and 274,279,762,091.91

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Solution

The fourth proportional to 878,705,223,678.75, 1,318,062,278,448.50 and 274,279,762,091.91 is: 411,421,029,957.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,705,223,678.75 : 1,318,062,278,448.50 = 274,279,762,091.91 : x
  2. Step 2: Convert to fraction form
    878,705,223,678.75/1,318,062,278,448.50 = 274,279,762,091.91/x
  3. Step 3: Cross multiply
    878,705,223,678.75x = 1,318,062,278,448.50 × 274,279,762,091.91
  4. Step 4: Simplify right side
    878,705,223,678.75x = 361,517,808,155,175,438,778,368
  5. Step 5: Solve for x
    x = 361,517,808,155,175,438,778,368/878,705,223,678.75
  6. Step 6: Final answer
    x = 411,421,029,957.76

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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.