Home / 708,589,040.70-1,062,883,561.05-662,672,538.30

Finding the Fourth Proportional to 708,589,040.70, 1,062,883,561.05 and 662,672,538.30

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Solution

The fourth proportional to 708,589,040.70, 1,062,883,561.05 and 662,672,538.30 is: 994,008,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,040.70 : 1,062,883,561.05 = 662,672,538.30 : x
  2. Step 2: Convert to fraction form
    708,589,040.70/1,062,883,561.05 = 662,672,538.30/x
  3. Step 3: Cross multiply
    708,589,040.70x = 1,062,883,561.05 × 662,672,538.30
  4. Step 4: Simplify right side
    708,589,040.70x = 704,343,747,318,346,368
  5. Step 5: Solve for x
    x = 704,343,747,318,346,368/708,589,040.70
  6. Step 6: Final answer
    x = 994,008,807.45

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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.