Home / 734,103,040.20-1,101,154,560.30-407,585,689.80

Finding the Fourth Proportional to 734,103,040.20, 1,101,154,560.30 and 407,585,689.80

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Solution

The fourth proportional to 734,103,040.20, 1,101,154,560.30 and 407,585,689.80 is: 611,378,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,103,040.20 : 1,101,154,560.30 = 407,585,689.80 : x
  2. Step 2: Convert to fraction form
    734,103,040.20/1,101,154,560.30 = 407,585,689.80/x
  3. Step 3: Cross multiply
    734,103,040.20x = 1,101,154,560.30 × 407,585,689.80
  4. Step 4: Simplify right side
    734,103,040.20x = 448,814,841,036,291,200
  5. Step 5: Solve for x
    x = 448,814,841,036,291,200/734,103,040.20
  6. Step 6: Final answer
    x = 611,378,534.70

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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.