Home / 398,901,012.14-597,875,473.90-185,658,445.78

Finding the Fourth Proportional to 398,901,012.14, 597,875,473.90 and 185,658,445.78

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Solution

The fourth proportional to 398,901,012.14, 597,875,473.90 and 185,658,445.78 is: 278,266,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,901,012.14 : 597,875,473.90 = 185,658,445.78 : x
  2. Step 2: Convert to fraction form
    398,901,012.14/597,875,473.90 = 185,658,445.78/x
  3. Step 3: Cross multiply
    398,901,012.14x = 597,875,473.90 × 185,658,445.78
  4. Step 4: Simplify right side
    398,901,012.14x = 111,000,631,254,110,368
  5. Step 5: Solve for x
    x = 111,000,631,254,110,368/398,901,012.14
  6. Step 6: Final answer
    x = 278,266,105.82

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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.