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Finding the Fourth Proportional to 884,947,233.60, 1,326,287,109.60 and 787,445,524.80

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Solution

The fourth proportional to 884,947,233.60, 1,326,287,109.60 and 787,445,524.80 is: 1,180,159,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,947,233.60 : 1,326,287,109.60 = 787,445,524.80 : x
  2. Step 2: Convert to fraction form
    884,947,233.60/1,326,287,109.60 = 787,445,524.80/x
  3. Step 3: Cross multiply
    884,947,233.60x = 1,326,287,109.60 × 787,445,524.80
  4. Step 4: Simplify right side
    884,947,233.60x = 1,044,378,849,054,446,976
  5. Step 5: Solve for x
    x = 1,044,378,849,054,446,976/884,947,233.60
  6. Step 6: Final answer
    x = 1,180,159,459.68

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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.