Home / 440,326,774.96-660,494,167.16-133,618,901.20

Finding the Fourth Proportional to 440,326,774.96, 660,494,167.16 and 133,618,901.20

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Solution

The fourth proportional to 440,326,774.96, 660,494,167.16 and 133,618,901.20 is: 200,429,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,326,774.96 : 660,494,167.16 = 133,618,901.20 : x
  2. Step 2: Convert to fraction form
    440,326,774.96/660,494,167.16 = 133,618,901.20/x
  3. Step 3: Cross multiply
    440,326,774.96x = 660,494,167.16 × 133,618,901.20
  4. Step 4: Simplify right side
    440,326,774.96x = 88,254,504,864,928,320
  5. Step 5: Solve for x
    x = 88,254,504,864,928,320/440,326,774.96
  6. Step 6: Final answer
    x = 200,429,567.05

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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.