Home / 923,785,957.26-1,274,830,742.25-500,399,618.49

Finding the Fourth Proportional to 923,785,957.26, 1,274,830,742.25 and 500,399,618.49

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Solution

The fourth proportional to 923,785,957.26, 1,274,830,742.25 and 500,399,618.49 is: 690,554,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,785,957.26 : 1,274,830,742.25 = 500,399,618.49 : x
  2. Step 2: Convert to fraction form
    923,785,957.26/1,274,830,742.25 = 500,399,618.49/x
  3. Step 3: Cross multiply
    923,785,957.26x = 1,274,830,742.25 × 500,399,618.49
  4. Step 4: Simplify right side
    923,785,957.26x = 637,924,817,061,223,552
  5. Step 5: Solve for x
    x = 637,924,817,061,223,552/923,785,957.26
  6. Step 6: Final answer
    x = 690,554,789.29

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1.5x scale

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.