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Finding the Fourth Proportional to 952,817,921.74, 1,314,897,978.99 and 550,901,493.73

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Solution

The fourth proportional to 952,817,921.74, 1,314,897,978.99 and 550,901,493.73 is: 760,249,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,817,921.74 : 1,314,897,978.99 = 550,901,493.73 : x
  2. Step 2: Convert to fraction form
    952,817,921.74/1,314,897,978.99 = 550,901,493.73/x
  3. Step 3: Cross multiply
    952,817,921.74x = 1,314,897,978.99 × 550,901,493.73
  4. Step 4: Simplify right side
    952,817,921.74x = 724,379,260,728,149,248
  5. Step 5: Solve for x
    x = 724,379,260,728,149,248/952,817,921.74
  6. Step 6: Final answer
    x = 760,249,407.78

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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.