Home / 869,861,173.92-1,304,140,041.12-524,734,352.16

Finding the Fourth Proportional to 869,861,173.92, 1,304,140,041.12 and 524,734,352.16

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Solution

The fourth proportional to 869,861,173.92, 1,304,140,041.12 and 524,734,352.16 is: 786,708,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,861,173.92 : 1,304,140,041.12 = 524,734,352.16 : x
  2. Step 2: Convert to fraction form
    869,861,173.92/1,304,140,041.12 = 524,734,352.16/x
  3. Step 3: Cross multiply
    869,861,173.92x = 1,304,140,041.12 × 524,734,352.16
  4. Step 4: Simplify right side
    869,861,173.92x = 684,327,079,603,018,880
  5. Step 5: Solve for x
    x = 684,327,079,603,018,880/869,861,173.92
  6. Step 6: Final answer
    x = 786,708,385.34

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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.