Home / 867,694,439.01-1,197,592,124.10-515,466,104.25

Finding the Fourth Proportional to 867,694,439.01, 1,197,592,124.10 and 515,466,104.25

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Solution

The fourth proportional to 867,694,439.01, 1,197,592,124.10 and 515,466,104.25 is: 711,446,471.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,694,439.01 : 1,197,592,124.10 = 515,466,104.25 : x
  2. Step 2: Convert to fraction form
    867,694,439.01/1,197,592,124.10 = 515,466,104.25/x
  3. Step 3: Cross multiply
    867,694,439.01x = 1,197,592,124.10 × 515,466,104.25
  4. Step 4: Simplify right side
    867,694,439.01x = 617,318,146,690,309,504
  5. Step 5: Solve for x
    x = 617,318,146,690,309,504/867,694,439.01
  6. Step 6: Final answer
    x = 711,446,471.17

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Double scale
Find fourth proportional to 867,694,440.01, 1,197,592,125.48 and 515,466,105.25
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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.