Home / 897,813,551.89-1,238,957,850.63-495,920,097.63

Finding the Fourth Proportional to 897,813,551.89, 1,238,957,850.63 and 495,920,097.63

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Solution

The fourth proportional to 897,813,551.89, 1,238,957,850.63 and 495,920,097.63 is: 684,356,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,813,551.89 : 1,238,957,850.63 = 495,920,097.63 : x
  2. Step 2: Convert to fraction form
    897,813,551.89/1,238,957,850.63 = 495,920,097.63/x
  3. Step 3: Cross multiply
    897,813,551.89x = 1,238,957,850.63 × 495,920,097.63
  4. Step 4: Simplify right side
    897,813,551.89x = 614,424,098,240,835,712
  5. Step 5: Solve for x
    x = 614,424,098,240,835,712/897,813,551.89
  6. Step 6: Final answer
    x = 684,356,007.94

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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.