Home / 398,629,204.60-597,943,806.90-366,380,577.40

Finding the Fourth Proportional to 398,629,204.60, 597,943,806.90 and 366,380,577.40

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Solution

The fourth proportional to 398,629,204.60, 597,943,806.90 and 366,380,577.40 is: 549,570,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,629,204.60 : 597,943,806.90 = 366,380,577.40 : x
  2. Step 2: Convert to fraction form
    398,629,204.60/597,943,806.90 = 366,380,577.40/x
  3. Step 3: Cross multiply
    398,629,204.60x = 597,943,806.90 × 366,380,577.40
  4. Step 4: Simplify right side
    398,629,204.60x = 219,074,997,224,776,096
  5. Step 5: Solve for x
    x = 219,074,997,224,776,096/398,629,204.60
  6. Step 6: Final answer
    x = 549,570,866.10

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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.