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Finding the Fourth Proportional to 655,129,065,785.55, 982,693,598,678.35 and 655,129,065,785.55

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Solution

The fourth proportional to 655,129,065,785.55, 982,693,598,678.35 and 655,129,065,785.55 is: 982,693,598,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,129,065,785.55 : 982,693,598,678.35 = 655,129,065,785.55 : x
  2. Step 2: Convert to fraction form
    655,129,065,785.55/982,693,598,678.35 = 655,129,065,785.55/x
  3. Step 3: Cross multiply
    655,129,065,785.55x = 982,693,598,678.35 × 655,129,065,785.55
  4. Step 4: Simplify right side
    655,129,065,785.55x = 643,791,139,255,587,704,930,304
  5. Step 5: Solve for x
    x = 643,791,139,255,587,704,930,304/655,129,065,785.55
  6. Step 6: Final answer
    x = 982,693,598,678.35

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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.