Home / 732,140,615.92-1,010,350,599.60-397,610,797.36

Finding the Fourth Proportional to 732,140,615.92, 1,010,350,599.60 and 397,610,797.36

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Solution

The fourth proportional to 732,140,615.92, 1,010,350,599.60 and 397,610,797.36 is: 548,701,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,140,615.92 : 1,010,350,599.60 = 397,610,797.36 : x
  2. Step 2: Convert to fraction form
    732,140,615.92/1,010,350,599.60 = 397,610,797.36/x
  3. Step 3: Cross multiply
    732,140,615.92x = 1,010,350,599.60 × 397,610,797.36
  4. Step 4: Simplify right side
    732,140,615.92x = 401,726,307,520,110,144
  5. Step 5: Solve for x
    x = 401,726,307,520,110,144/732,140,615.92
  6. Step 6: Final answer
    x = 548,701,026.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.