Home / 878,586,442.02-1,212,445,963.96-482,116,066.43

Finding the Fourth Proportional to 878,586,442.02, 1,212,445,963.96 and 482,116,066.43

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Solution

The fourth proportional to 878,586,442.02, 1,212,445,963.96 and 482,116,066.43 is: 665,318,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,586,442.02 : 1,212,445,963.96 = 482,116,066.43 : x
  2. Step 2: Convert to fraction form
    878,586,442.02/1,212,445,963.96 = 482,116,066.43/x
  3. Step 3: Cross multiply
    878,586,442.02x = 1,212,445,963.96 × 482,116,066.43
  4. Step 4: Simplify right side
    878,586,442.02x = 584,539,678,896,057,216
  5. Step 5: Solve for x
    x = 584,539,678,896,057,216/878,586,442.02
  6. Step 6: Final answer
    x = 665,318,346.54

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Double scale
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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.