Home / 398,580,820.20-597,871,230.30-347,562,484.20

Finding the Fourth Proportional to 398,580,820.20, 597,871,230.30 and 347,562,484.20

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Solution

The fourth proportional to 398,580,820.20, 597,871,230.30 and 347,562,484.20 is: 521,343,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,580,820.20 : 597,871,230.30 = 347,562,484.20 : x
  2. Step 2: Convert to fraction form
    398,580,820.20/597,871,230.30 = 347,562,484.20/x
  3. Step 3: Cross multiply
    398,580,820.20x = 597,871,230.30 × 347,562,484.20
  4. Step 4: Simplify right side
    398,580,820.20x = 207,797,610,034,778,272
  5. Step 5: Solve for x
    x = 207,797,610,034,778,272/398,580,820.20
  6. Step 6: Final answer
    x = 521,343,726.30

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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.