Home / 315,103,617.10-471,805,120.05-315,103,617.10

Finding the Fourth Proportional to 315,103,617.10, 471,805,120.05 and 315,103,617.10

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Solution

The fourth proportional to 315,103,617.10, 471,805,120.05 and 315,103,617.10 is: 471,805,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,103,617.10 : 471,805,120.05 = 315,103,617.10 : x
  2. Step 2: Convert to fraction form
    315,103,617.10/471,805,120.05 = 315,103,617.10/x
  3. Step 3: Cross multiply
    315,103,617.10x = 471,805,120.05 × 315,103,617.10
  4. Step 4: Simplify right side
    315,103,617.10x = 148,667,499,894,054,752
  5. Step 5: Solve for x
    x = 148,667,499,894,054,752/315,103,617.10
  6. Step 6: Final answer
    x = 471,805,120.05

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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.