Home / 398,598,002.70-597,897,004.05-295,285,872.30

Finding the Fourth Proportional to 398,598,002.70, 597,897,004.05 and 295,285,872.30

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Solution

The fourth proportional to 398,598,002.70, 597,897,004.05 and 295,285,872.30 is: 442,928,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,598,002.70 : 597,897,004.05 = 295,285,872.30 : x
  2. Step 2: Convert to fraction form
    398,598,002.70/597,897,004.05 = 295,285,872.30/x
  3. Step 3: Cross multiply
    398,598,002.70x = 597,897,004.05 × 295,285,872.30
  4. Step 4: Simplify right side
    398,598,002.70x = 176,550,538,386,460,864
  5. Step 5: Solve for x
    x = 176,550,538,386,460,864/398,598,002.70
  6. Step 6: Final answer
    x = 442,928,808.45

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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.