Home / 1,543,068,280.46-2,129,181,802.62-908,523,505.56

Finding the Fourth Proportional to 1,543,068,280.46, 2,129,181,802.62 and 908,523,505.56

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Solution

The fourth proportional to 1,543,068,280.46, 2,129,181,802.62 and 908,523,505.56 is: 1,253,613,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,068,280.46 : 2,129,181,802.62 = 908,523,505.56 : x
  2. Step 2: Convert to fraction form
    1,543,068,280.46/2,129,181,802.62 = 908,523,505.56/x
  3. Step 3: Cross multiply
    1,543,068,280.46x = 2,129,181,802.62 × 908,523,505.56
  4. Step 4: Simplify right side
    1,543,068,280.46x = 1,934,411,715,290,882,048
  5. Step 5: Solve for x
    x = 1,934,411,715,290,882,048/1,543,068,280.46
  6. Step 6: Final answer
    x = 1,253,613,815.92

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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.