Home / 747,339,338.20-1,121,009,007.30-743,034,666.10

Finding the Fourth Proportional to 747,339,338.20, 1,121,009,007.30 and 743,034,666.10

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Solution

The fourth proportional to 747,339,338.20, 1,121,009,007.30 and 743,034,666.10 is: 1,114,551,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,339,338.20 : 1,121,009,007.30 = 743,034,666.10 : x
  2. Step 2: Convert to fraction form
    747,339,338.20/1,121,009,007.30 = 743,034,666.10/x
  3. Step 3: Cross multiply
    747,339,338.20x = 1,121,009,007.30 × 743,034,666.10
  4. Step 4: Simplify right side
    747,339,338.20x = 832,948,553,434,247,936
  5. Step 5: Solve for x
    x = 832,948,553,434,247,936/747,339,338.20
  6. Step 6: Final answer
    x = 1,114,551,999.15

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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.