Home / 398,629,205.10-597,943,807.65-366,380,577.90

Finding the Fourth Proportional to 398,629,205.10, 597,943,807.65 and 366,380,577.90

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Solution

The fourth proportional to 398,629,205.10, 597,943,807.65 and 366,380,577.90 is: 549,570,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,629,205.10 : 597,943,807.65 = 366,380,577.90 : x
  2. Step 2: Convert to fraction form
    398,629,205.10/597,943,807.65 = 366,380,577.90/x
  3. Step 3: Cross multiply
    398,629,205.10x = 597,943,807.65 × 366,380,577.90
  4. Step 4: Simplify right side
    398,629,205.10x = 219,074,997,798,533,408
  5. Step 5: Solve for x
    x = 219,074,997,798,533,408/398,629,205.10
  6. Step 6: Final answer
    x = 549,570,866.85

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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.