Home / 87,826,314,596.47-121,155,708,753.51-57,360,331,588.96

Finding the Fourth Proportional to 87,826,314,596.47, 121,155,708,753.51 and 57,360,331,588.96

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Solution

The fourth proportional to 87,826,314,596.47, 121,155,708,753.51 and 57,360,331,588.96 is: 79,128,125,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,826,314,596.47 : 121,155,708,753.51 = 57,360,331,588.96 : x
  2. Step 2: Convert to fraction form
    87,826,314,596.47/121,155,708,753.51 = 57,360,331,588.96/x
  3. Step 3: Cross multiply
    87,826,314,596.47x = 121,155,708,753.51 × 57,360,331,588.96
  4. Step 4: Simplify right side
    87,826,314,596.47x = 6,949,531,627,996,796,944,384
  5. Step 5: Solve for x
    x = 6,949,531,627,996,796,944,384/87,826,314,596.47
  6. Step 6: Final answer
    x = 79,128,125,322.44

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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.