Home / 398,580,877.20-597,871,315.80-244,728,051.60

Finding the Fourth Proportional to 398,580,877.20, 597,871,315.80 and 244,728,051.60

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Solution

The fourth proportional to 398,580,877.20, 597,871,315.80 and 244,728,051.60 is: 367,092,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,580,877.20 : 597,871,315.80 = 244,728,051.60 : x
  2. Step 2: Convert to fraction form
    398,580,877.20/597,871,315.80 = 244,728,051.60/x
  3. Step 3: Cross multiply
    398,580,877.20x = 597,871,315.80 × 244,728,051.60
  4. Step 4: Simplify right side
    398,580,877.20x = 146,315,882,223,262,272
  5. Step 5: Solve for x
    x = 146,315,882,223,262,272/398,580,877.20
  6. Step 6: Final answer
    x = 367,092,077.40

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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.