Home / 1,154,834,115.20-1,732,251,172.80-695,669,091.20

Finding the Fourth Proportional to 1,154,834,115.20, 1,732,251,172.80 and 695,669,091.20

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Solution

The fourth proportional to 1,154,834,115.20, 1,732,251,172.80 and 695,669,091.20 is: 1,043,503,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,834,115.20 : 1,732,251,172.80 = 695,669,091.20 : x
  2. Step 2: Convert to fraction form
    1,154,834,115.20/1,732,251,172.80 = 695,669,091.20/x
  3. Step 3: Cross multiply
    1,154,834,115.20x = 1,732,251,172.80 × 695,669,091.20
  4. Step 4: Simplify right side
    1,154,834,115.20x = 1,205,073,599,111,910,144
  5. Step 5: Solve for x
    x = 1,205,073,599,111,910,144/1,154,834,115.20
  6. Step 6: Final answer
    x = 1,043,503,636.80

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Double scale
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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.