Home / 647,010,772.20-970,516,158.30-463,344,762.60

Finding the Fourth Proportional to 647,010,772.20, 970,516,158.30 and 463,344,762.60

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Solution

The fourth proportional to 647,010,772.20, 970,516,158.30 and 463,344,762.60 is: 695,017,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,010,772.20 : 970,516,158.30 = 463,344,762.60 : x
  2. Step 2: Convert to fraction form
    647,010,772.20/970,516,158.30 = 463,344,762.60/x
  3. Step 3: Cross multiply
    647,010,772.20x = 970,516,158.30 × 463,344,762.60
  4. Step 4: Simplify right side
    647,010,772.20x = 449,683,578,966,977,536
  5. Step 5: Solve for x
    x = 449,683,578,966,977,536/647,010,772.20
  6. Step 6: Final answer
    x = 695,017,143.90

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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.