Home / 850,146,996.96-1,173,155,419.71-468,656,723.70

Finding the Fourth Proportional to 850,146,996.96, 1,173,155,419.71 and 468,656,723.70

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Solution

The fourth proportional to 850,146,996.96, 1,173,155,419.71 and 468,656,723.70 is: 646,720,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,146,996.96 : 1,173,155,419.71 = 468,656,723.70 : x
  2. Step 2: Convert to fraction form
    850,146,996.96/1,173,155,419.71 = 468,656,723.70/x
  3. Step 3: Cross multiply
    850,146,996.96x = 1,173,155,419.71 × 468,656,723.70
  4. Step 4: Simplify right side
    850,146,996.96x = 549,807,175,392,187,008
  5. Step 5: Solve for x
    x = 549,807,175,392,187,008/850,146,996.96
  6. Step 6: Final answer
    x = 646,720,128.82

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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.