Home / 398,572,831.20-597,859,246.80-244,720,005.60

Finding the Fourth Proportional to 398,572,831.20, 597,859,246.80 and 244,720,005.60

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Solution

The fourth proportional to 398,572,831.20, 597,859,246.80 and 244,720,005.60 is: 367,080,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,572,831.20 : 597,859,246.80 = 244,720,005.60 : x
  2. Step 2: Convert to fraction form
    398,572,831.20/597,859,246.80 = 244,720,005.60/x
  3. Step 3: Cross multiply
    398,572,831.20x = 597,859,246.80 × 244,720,005.60
  4. Step 4: Simplify right side
    398,572,831.20x = 146,308,118,224,907,776
  5. Step 5: Solve for x
    x = 146,308,118,224,907,776/398,572,831.20
  6. Step 6: Final answer
    x = 367,080,008.40

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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.