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Finding the Fourth Proportional to 1,160,699,000.80, 1,738,781,019.60 and 699,266,495.20

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Solution

The fourth proportional to 1,160,699,000.80, 1,738,781,019.60 and 699,266,495.20 is: 1,047,533,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,699,000.80 : 1,738,781,019.60 = 699,266,495.20 : x
  2. Step 2: Convert to fraction form
    1,160,699,000.80/1,738,781,019.60 = 699,266,495.20/x
  3. Step 3: Cross multiply
    1,160,699,000.80x = 1,738,781,019.60 × 699,266,495.20
  4. Step 4: Simplify right side
    1,160,699,000.80x = 1,215,871,309,495,974,400
  5. Step 5: Solve for x
    x = 1,215,871,309,495,974,400/1,160,699,000.80
  6. Step 6: Final answer
    x = 1,047,533,691.90

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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.