Home / 885,746,334.30-1,328,619,501.45-516,902,660.70

Finding the Fourth Proportional to 885,746,334.30, 1,328,619,501.45 and 516,902,660.70

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Solution

The fourth proportional to 885,746,334.30, 1,328,619,501.45 and 516,902,660.70 is: 775,353,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,746,334.30 : 1,328,619,501.45 = 516,902,660.70 : x
  2. Step 2: Convert to fraction form
    885,746,334.30/1,328,619,501.45 = 516,902,660.70/x
  3. Step 3: Cross multiply
    885,746,334.30x = 1,328,619,501.45 × 516,902,660.70
  4. Step 4: Simplify right side
    885,746,334.30x = 686,766,955,357,412,480
  5. Step 5: Solve for x
    x = 686,766,955,357,412,480/885,746,334.30
  6. Step 6: Final answer
    x = 775,353,991.05

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Double scale
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Similar ratio
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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.