Home / 864,812,377.92-1,193,441,724.96-468,338,445.12

Finding the Fourth Proportional to 864,812,377.92, 1,193,441,724.96 and 468,338,445.12

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Solution

The fourth proportional to 864,812,377.92, 1,193,441,724.96 and 468,338,445.12 is: 646,307,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,812,377.92 : 1,193,441,724.96 = 468,338,445.12 : x
  2. Step 2: Convert to fraction form
    864,812,377.92/1,193,441,724.96 = 468,338,445.12/x
  3. Step 3: Cross multiply
    864,812,377.92x = 1,193,441,724.96 × 468,338,445.12
  4. Step 4: Simplify right side
    864,812,377.92x = 558,934,641,809,097,088
  5. Step 5: Solve for x
    x = 558,934,641,809,097,088/864,812,377.92
  6. Step 6: Final answer
    x = 646,307,402.71

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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.