Home / 916,385,787.90-1,264,654,030.86-540,058,258.62

Finding the Fourth Proportional to 916,385,787.90, 1,264,654,030.86 and 540,058,258.62

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Solution

The fourth proportional to 916,385,787.90, 1,264,654,030.86 and 540,058,258.62 is: 745,304,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,385,787.90 : 1,264,654,030.86 = 540,058,258.62 : x
  2. Step 2: Convert to fraction form
    916,385,787.90/1,264,654,030.86 = 540,058,258.62/x
  3. Step 3: Cross multiply
    916,385,787.90x = 1,264,654,030.86 × 540,058,258.62
  4. Step 4: Simplify right side
    916,385,787.90x = 682,986,853,663,015,296
  5. Step 5: Solve for x
    x = 682,986,853,663,015,296/916,385,787.90
  6. Step 6: Final answer
    x = 745,304,938.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.