Home / 1,569,896,154.30-2,166,551,819.64-865,047,282.78

Finding the Fourth Proportional to 1,569,896,154.30, 2,166,551,819.64 and 865,047,282.78

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Solution

The fourth proportional to 1,569,896,154.30, 2,166,551,819.64 and 865,047,282.78 is: 1,193,817,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,896,154.30 : 2,166,551,819.64 = 865,047,282.78 : x
  2. Step 2: Convert to fraction form
    1,569,896,154.30/2,166,551,819.64 = 865,047,282.78/x
  3. Step 3: Cross multiply
    1,569,896,154.30x = 2,166,551,819.64 × 865,047,282.78
  4. Step 4: Simplify right side
    1,569,896,154.30x = 1,874,169,764,581,646,336
  5. Step 5: Solve for x
    x = 1,874,169,764,581,646,336/1,569,896,154.30
  6. Step 6: Final answer
    x = 1,193,817,667.14

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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.