Home / 1,636,344,142.76-2,454,516,234.66-392,774,603.60

Finding the Fourth Proportional to 1,636,344,142.76, 2,454,516,234.66 and 392,774,603.60

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Solution

The fourth proportional to 1,636,344,142.76, 2,454,516,234.66 and 392,774,603.60 is: 589,161,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,344,142.76 : 2,454,516,234.66 = 392,774,603.60 : x
  2. Step 2: Convert to fraction form
    1,636,344,142.76/2,454,516,234.66 = 392,774,603.60/x
  3. Step 3: Cross multiply
    1,636,344,142.76x = 2,454,516,234.66 × 392,774,603.60
  4. Step 4: Simplify right side
    1,636,344,142.76x = 964,071,641,098,346,112
  5. Step 5: Solve for x
    x = 964,071,641,098,346,112/1,636,344,142.76
  6. Step 6: Final answer
    x = 589,161,910.33

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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.