Home / 426,100,800.14-588,425,212.54-402,887,123.74

Finding the Fourth Proportional to 426,100,800.14, 588,425,212.54 and 402,887,123.74

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Solution

The fourth proportional to 426,100,800.14, 588,425,212.54 and 402,887,123.74 is: 556,368,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,100,800.14 : 588,425,212.54 = 402,887,123.74 : x
  2. Step 2: Convert to fraction form
    426,100,800.14/588,425,212.54 = 402,887,123.74/x
  3. Step 3: Cross multiply
    426,100,800.14x = 588,425,212.54 × 402,887,123.74
  4. Step 4: Simplify right side
    426,100,800.14x = 237,068,941,416,338,784
  5. Step 5: Solve for x
    x = 237,068,941,416,338,784/426,100,800.14
  6. Step 6: Final answer
    x = 556,368,214.61

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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.