Home / 286,471,222,703.22-395,331,516,379.85-156,262,914,844.53

Finding the Fourth Proportional to 286,471,222,703.22, 395,331,516,379.85 and 156,262,914,844.53

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Solution

The fourth proportional to 286,471,222,703.22, 395,331,516,379.85 and 156,262,914,844.53 is: 215,643,492,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,471,222,703.22 : 395,331,516,379.85 = 156,262,914,844.53 : x
  2. Step 2: Convert to fraction form
    286,471,222,703.22/395,331,516,379.85 = 156,262,914,844.53/x
  3. Step 3: Cross multiply
    286,471,222,703.22x = 395,331,516,379.85 × 156,262,914,844.53
  4. Step 4: Simplify right side
    286,471,222,703.22x = 61,775,655,079,423,412,011,008
  5. Step 5: Solve for x
    x = 61,775,655,079,423,412,011,008/286,471,222,703.22
  6. Step 6: Final answer
    x = 215,643,492,901.28

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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.