Home / 615,368,451.78-922,487,037.46-221,798,971.71

Finding the Fourth Proportional to 615,368,451.78, 922,487,037.46 and 221,798,971.71

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Solution

The fourth proportional to 615,368,451.78, 922,487,037.46 and 221,798,971.71 is: 332,494,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,368,451.78 : 922,487,037.46 = 221,798,971.71 : x
  2. Step 2: Convert to fraction form
    615,368,451.78/922,487,037.46 = 221,798,971.71/x
  3. Step 3: Cross multiply
    615,368,451.78x = 922,487,037.46 × 221,798,971.71
  4. Step 4: Simplify right side
    615,368,451.78x = 204,606,676,323,877,760
  5. Step 5: Solve for x
    x = 204,606,676,323,877,760/615,368,451.78
  6. Step 6: Final answer
    x = 332,494,582.28

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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.