Home / 841,232,516.17-1,260,720,824.59-654,711,671.95

Finding the Fourth Proportional to 841,232,516.17, 1,260,720,824.59 and 654,711,671.95

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Solution

The fourth proportional to 841,232,516.17, 1,260,720,824.59 and 654,711,671.95 is: 981,189,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,232,516.17 : 1,260,720,824.59 = 654,711,671.95 : x
  2. Step 2: Convert to fraction form
    841,232,516.17/1,260,720,824.59 = 654,711,671.95/x
  3. Step 3: Cross multiply
    841,232,516.17x = 1,260,720,824.59 × 654,711,671.95
  4. Step 4: Simplify right side
    841,232,516.17x = 825,408,638,929,501,568
  5. Step 5: Solve for x
    x = 825,408,638,929,501,568/841,232,516.17
  6. Step 6: Final answer
    x = 981,189,650.97

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1.5x scale

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.