Home / 549,378,038.40-824,067,057.60-185,872,394.40

Finding the Fourth Proportional to 549,378,038.40, 824,067,057.60 and 185,872,394.40

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Solution

The fourth proportional to 549,378,038.40, 824,067,057.60 and 185,872,394.40 is: 278,808,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,378,038.40 : 824,067,057.60 = 185,872,394.40 : x
  2. Step 2: Convert to fraction form
    549,378,038.40/824,067,057.60 = 185,872,394.40/x
  3. Step 3: Cross multiply
    549,378,038.40x = 824,067,057.60 × 185,872,394.40
  4. Step 4: Simplify right side
    549,378,038.40x = 153,171,317,142,274,720
  5. Step 5: Solve for x
    x = 153,171,317,142,274,720/549,378,038.40
  6. Step 6: Final answer
    x = 278,808,591.60

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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.