Home / 962,315,630.47-1,328,595,354.39-661,419,050.68

Finding the Fourth Proportional to 962,315,630.47, 1,328,595,354.39 and 661,419,050.68

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Solution

The fourth proportional to 962,315,630.47, 1,328,595,354.39 and 661,419,050.68 is: 913,170,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,315,630.47 : 1,328,595,354.39 = 661,419,050.68 : x
  2. Step 2: Convert to fraction form
    962,315,630.47/1,328,595,354.39 = 661,419,050.68/x
  3. Step 3: Cross multiply
    962,315,630.47x = 1,328,595,354.39 × 661,419,050.68
  4. Step 4: Simplify right side
    962,315,630.47x = 878,758,278,038,492,032
  5. Step 5: Solve for x
    x = 878,758,278,038,492,032/962,315,630.47
  6. Step 6: Final answer
    x = 913,170,533.88

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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.