Home / 1,147,396,600.90-1,721,094,901.35-371,120,732.20

Finding the Fourth Proportional to 1,147,396,600.90, 1,721,094,901.35 and 371,120,732.20

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Solution

The fourth proportional to 1,147,396,600.90, 1,721,094,901.35 and 371,120,732.20 is: 556,681,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,396,600.90 : 1,721,094,901.35 = 371,120,732.20 : x
  2. Step 2: Convert to fraction form
    1,147,396,600.90/1,721,094,901.35 = 371,120,732.20/x
  3. Step 3: Cross multiply
    1,147,396,600.90x = 1,721,094,901.35 × 371,120,732.20
  4. Step 4: Simplify right side
    1,147,396,600.90x = 638,733,999,974,698,752
  5. Step 5: Solve for x
    x = 638,733,999,974,698,752/1,147,396,600.90
  6. Step 6: Final answer
    x = 556,681,098.30

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Double scale
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Similar ratio
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1.5x scale

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.