Home / 1,124,042,672.10-1,686,064,008.15-715,392,099.30

Finding the Fourth Proportional to 1,124,042,672.10, 1,686,064,008.15 and 715,392,099.30

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Solution

The fourth proportional to 1,124,042,672.10, 1,686,064,008.15 and 715,392,099.30 is: 1,073,088,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,042,672.10 : 1,686,064,008.15 = 715,392,099.30 : x
  2. Step 2: Convert to fraction form
    1,124,042,672.10/1,686,064,008.15 = 715,392,099.30/x
  3. Step 3: Cross multiply
    1,124,042,672.10x = 1,686,064,008.15 × 715,392,099.30
  4. Step 4: Simplify right side
    1,124,042,672.10x = 1,206,196,870,344,600,832
  5. Step 5: Solve for x
    x = 1,206,196,870,344,600,832/1,124,042,672.10
  6. Step 6: Final answer
    x = 1,073,088,148.95

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Double scale
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Similar ratio
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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.