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Finding the Fourth Proportional to 782,616,000.40, 1,173,924,000.60 and 782,616,000.40

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Solution

The fourth proportional to 782,616,000.40, 1,173,924,000.60 and 782,616,000.40 is: 1,173,924,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,616,000.40 : 1,173,924,000.60 = 782,616,000.40 : x
  2. Step 2: Convert to fraction form
    782,616,000.40/1,173,924,000.60 = 782,616,000.40/x
  3. Step 3: Cross multiply
    782,616,000.40x = 1,173,924,000.60 × 782,616,000.40
  4. Step 4: Simplify right side
    782,616,000.40x = 918,731,706,123,139,072
  5. Step 5: Solve for x
    x = 918,731,706,123,139,072/782,616,000.40
  6. Step 6: Final answer
    x = 1,173,924,000.60

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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.