Home / 398,901,011.27-597,875,472.59-185,658,444.90

Finding the Fourth Proportional to 398,901,011.27, 597,875,472.59 and 185,658,444.90

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Solution

The fourth proportional to 398,901,011.27, 597,875,472.59 and 185,658,444.90 is: 278,266,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,901,011.27 : 597,875,472.59 = 185,658,444.90 : x
  2. Step 2: Convert to fraction form
    398,901,011.27/597,875,472.59 = 185,658,444.90/x
  3. Step 3: Cross multiply
    398,901,011.27x = 597,875,472.59 × 185,658,444.90
  4. Step 4: Simplify right side
    398,901,011.27x = 111,000,630,483,983,696
  5. Step 5: Solve for x
    x = 111,000,630,483,983,696/398,901,011.27
  6. Step 6: Final answer
    x = 278,266,104.50

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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.