Home / 913,005,091.65-1,259,949,468.33-495,317,376.95

Finding the Fourth Proportional to 913,005,091.65, 1,259,949,468.33 and 495,317,376.95

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Solution

The fourth proportional to 913,005,091.65, 1,259,949,468.33 and 495,317,376.95 is: 683,539,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,005,091.65 : 1,259,949,468.33 = 495,317,376.95 : x
  2. Step 2: Convert to fraction form
    913,005,091.65/1,259,949,468.33 = 495,317,376.95/x
  3. Step 3: Cross multiply
    913,005,091.65x = 1,259,949,468.33 × 495,317,376.95
  4. Step 4: Simplify right side
    913,005,091.65x = 624,074,865,737,849,728
  5. Step 5: Solve for x
    x = 624,074,865,737,849,728/913,005,091.65
  6. Step 6: Final answer
    x = 683,539,304.92

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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.