Home / 684,729,124.79-944,825,383.19-383,298,769.72

Finding the Fourth Proportional to 684,729,124.79, 944,825,383.19 and 383,298,769.72

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Solution

The fourth proportional to 684,729,124.79, 944,825,383.19 and 383,298,769.72 is: 528,895,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,729,124.79 : 944,825,383.19 = 383,298,769.72 : x
  2. Step 2: Convert to fraction form
    684,729,124.79/944,825,383.19 = 383,298,769.72/x
  3. Step 3: Cross multiply
    684,729,124.79x = 944,825,383.19 × 383,298,769.72
  4. Step 4: Simplify right side
    684,729,124.79x = 362,150,406,975,550,720
  5. Step 5: Solve for x
    x = 362,150,406,975,550,720/684,729,124.79
  6. Step 6: Final answer
    x = 528,895,871.17

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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.