Home / 1,250,308,809.18-1,875,635,677.68-725,924,868.18

Finding the Fourth Proportional to 1,250,308,809.18, 1,875,635,677.68 and 725,924,868.18

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Solution

The fourth proportional to 1,250,308,809.18, 1,875,635,677.68 and 725,924,868.18 is: 1,088,987,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,308,809.18 : 1,875,635,677.68 = 725,924,868.18 : x
  2. Step 2: Convert to fraction form
    1,250,308,809.18/1,875,635,677.68 = 725,924,868.18/x
  3. Step 3: Cross multiply
    1,250,308,809.18x = 1,875,635,677.68 × 725,924,868.18
  4. Step 4: Simplify right side
    1,250,308,809.18x = 1,361,570,582,073,559,040
  5. Step 5: Solve for x
    x = 1,361,570,582,073,559,040/1,250,308,809.18
  6. Step 6: Final answer
    x = 1,088,987,434.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.