Home / 647,010,688.20-970,516,032.30-463,344,678.60

Finding the Fourth Proportional to 647,010,688.20, 970,516,032.30 and 463,344,678.60

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Solution

The fourth proportional to 647,010,688.20, 970,516,032.30 and 463,344,678.60 is: 695,017,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,010,688.20 : 970,516,032.30 = 463,344,678.60 : x
  2. Step 2: Convert to fraction form
    647,010,688.20/970,516,032.30 = 463,344,678.60/x
  3. Step 3: Cross multiply
    647,010,688.20x = 970,516,032.30 × 463,344,678.60
  4. Step 4: Simplify right side
    647,010,688.20x = 449,683,439,062,190,720
  5. Step 5: Solve for x
    x = 449,683,439,062,190,720/647,010,688.20
  6. Step 6: Final answer
    x = 695,017,017.90

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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.