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Finding the Fourth Proportional to 651,888,983.70, 977,833,475.55 and 445,264,722.90

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Solution

The fourth proportional to 651,888,983.70, 977,833,475.55 and 445,264,722.90 is: 667,897,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,888,983.70 : 977,833,475.55 = 445,264,722.90 : x
  2. Step 2: Convert to fraction form
    651,888,983.70/977,833,475.55 = 445,264,722.90/x
  3. Step 3: Cross multiply
    651,888,983.70x = 977,833,475.55 × 445,264,722.90
  4. Step 4: Simplify right side
    651,888,983.70x = 435,394,751,533,114,624
  5. Step 5: Solve for x
    x = 435,394,751,533,114,624/651,888,983.70
  6. Step 6: Final answer
    x = 667,897,084.35

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Similar ratio
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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.