Home / 878,586,397.83-1,212,445,902.86-482,116,022.23

Finding the Fourth Proportional to 878,586,397.83, 1,212,445,902.86 and 482,116,022.23

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Solution

The fourth proportional to 878,586,397.83, 1,212,445,902.86 and 482,116,022.23 is: 665,318,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,586,397.83 : 1,212,445,902.86 = 482,116,022.23 : x
  2. Step 2: Convert to fraction form
    878,586,397.83/1,212,445,902.86 = 482,116,022.23/x
  3. Step 3: Cross multiply
    878,586,397.83x = 1,212,445,902.86 × 482,116,022.23
  4. Step 4: Simplify right side
    878,586,397.83x = 584,539,595,855,924,096
  5. Step 5: Solve for x
    x = 584,539,595,855,924,096/878,586,397.83
  6. Step 6: Final answer
    x = 665,318,285.49

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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.