Home / 1,726,515,098.10-2,589,772,647.15-636,423,318.90

Finding the Fourth Proportional to 1,726,515,098.10, 2,589,772,647.15 and 636,423,318.90

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Solution

The fourth proportional to 1,726,515,098.10, 2,589,772,647.15 and 636,423,318.90 is: 954,634,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,515,098.10 : 2,589,772,647.15 = 636,423,318.90 : x
  2. Step 2: Convert to fraction form
    1,726,515,098.10/2,589,772,647.15 = 636,423,318.90/x
  3. Step 3: Cross multiply
    1,726,515,098.10x = 2,589,772,647.15 × 636,423,318.90
  4. Step 4: Simplify right side
    1,726,515,098.10x = 1,648,191,703,295,641,600
  5. Step 5: Solve for x
    x = 1,648,191,703,295,641,600/1,726,515,098.10
  6. Step 6: Final answer
    x = 954,634,978.35

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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.