Home / 897,813,553.89-1,238,957,853.39-495,920,099.63

Finding the Fourth Proportional to 897,813,553.89, 1,238,957,853.39 and 495,920,099.63

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Solution

The fourth proportional to 897,813,553.89, 1,238,957,853.39 and 495,920,099.63 is: 684,356,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,813,553.89 : 1,238,957,853.39 = 495,920,099.63 : x
  2. Step 2: Convert to fraction form
    897,813,553.89/1,238,957,853.39 = 495,920,099.63/x
  3. Step 3: Cross multiply
    897,813,553.89x = 1,238,957,853.39 × 495,920,099.63
  4. Step 4: Simplify right side
    897,813,553.89x = 614,424,102,090,539,776
  5. Step 5: Solve for x
    x = 614,424,102,090,539,776/897,813,553.89
  6. Step 6: Final answer
    x = 684,356,010.70

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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.