Home / 413,850,355.68-571,127,278.40-225,688,943.36

Finding the Fourth Proportional to 413,850,355.68, 571,127,278.40 and 225,688,943.36

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Solution

The fourth proportional to 413,850,355.68, 571,127,278.40 and 225,688,943.36 is: 311,458,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,850,355.68 : 571,127,278.40 = 225,688,943.36 : x
  2. Step 2: Convert to fraction form
    413,850,355.68/571,127,278.40 = 225,688,943.36/x
  3. Step 3: Cross multiply
    413,850,355.68x = 571,127,278.40 × 225,688,943.36
  4. Step 4: Simplify right side
    413,850,355.68x = 128,897,111,986,168,560
  5. Step 5: Solve for x
    x = 128,897,111,986,168,560/413,850,355.68
  6. Step 6: Final answer
    x = 311,458,260.74

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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.