Home / 397,836,245.70-596,754,368.55-204,126,001.20

Finding the Fourth Proportional to 397,836,245.70, 596,754,368.55 and 204,126,001.20

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Solution

The fourth proportional to 397,836,245.70, 596,754,368.55 and 204,126,001.20 is: 306,189,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,836,245.70 : 596,754,368.55 = 204,126,001.20 : x
  2. Step 2: Convert to fraction form
    397,836,245.70/596,754,368.55 = 204,126,001.20/x
  3. Step 3: Cross multiply
    397,836,245.70x = 596,754,368.55 × 204,126,001.20
  4. Step 4: Simplify right side
    397,836,245.70x = 121,813,082,950,742,528
  5. Step 5: Solve for x
    x = 121,813,082,950,742,528/397,836,245.70
  6. Step 6: Final answer
    x = 306,189,001.80

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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.