Home / 878,586,392.49-1,212,445,895.45-482,116,016.82

Finding the Fourth Proportional to 878,586,392.49, 1,212,445,895.45 and 482,116,016.82

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Solution

The fourth proportional to 878,586,392.49, 1,212,445,895.45 and 482,116,016.82 is: 665,318,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,586,392.49 : 1,212,445,895.45 = 482,116,016.82 : x
  2. Step 2: Convert to fraction form
    878,586,392.49/1,212,445,895.45 = 482,116,016.82/x
  3. Step 3: Cross multiply
    878,586,392.49x = 1,212,445,895.45 × 482,116,016.82
  4. Step 4: Simplify right side
    878,586,392.49x = 584,539,585,726,248,192
  5. Step 5: Solve for x
    x = 584,539,585,726,248,192/878,586,392.49
  6. Step 6: Final answer
    x = 665,318,278.00

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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.