Home / 766,471,416.48-1,057,729,515.48-436,446,555.48

Finding the Fourth Proportional to 766,471,416.48, 1,057,729,515.48 and 436,446,555.48

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Solution

The fourth proportional to 766,471,416.48, 1,057,729,515.48 and 436,446,555.48 is: 602,295,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,471,416.48 : 1,057,729,515.48 = 436,446,555.48 : x
  2. Step 2: Convert to fraction form
    766,471,416.48/1,057,729,515.48 = 436,446,555.48/x
  3. Step 3: Cross multiply
    766,471,416.48x = 1,057,729,515.48 × 436,446,555.48
  4. Step 4: Simplify right side
    766,471,416.48x = 461,642,403,660,775,360
  5. Step 5: Solve for x
    x = 461,642,403,660,775,360/766,471,416.48
  6. Step 6: Final answer
    x = 602,295,654.78

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Double scale
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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.