Home / 286,471,223,314.18-395,331,517,222.71-156,262,915,455.22

Finding the Fourth Proportional to 286,471,223,314.18, 395,331,517,222.71 and 156,262,915,455.22

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Solution

The fourth proportional to 286,471,223,314.18, 395,331,517,222.71 and 156,262,915,455.22 is: 215,643,493,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,471,223,314.18 : 395,331,517,222.71 = 156,262,915,455.22 : x
  2. Step 2: Convert to fraction form
    286,471,223,314.18/395,331,517,222.71 = 156,262,915,455.22/x
  3. Step 3: Cross multiply
    286,471,223,314.18x = 395,331,517,222.71 × 156,262,915,455.22
  4. Step 4: Simplify right side
    286,471,223,314.18x = 61,775,655,452,556,186,877,952
  5. Step 5: Solve for x
    x = 61,775,655,452,556,186,877,952/286,471,223,314.18
  6. Step 6: Final answer
    x = 215,643,493,743.89

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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.