Home / 315,217,438.10-471,975,851.55-315,217,438.10

Finding the Fourth Proportional to 315,217,438.10, 471,975,851.55 and 315,217,438.10

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Solution

The fourth proportional to 315,217,438.10, 471,975,851.55 and 315,217,438.10 is: 471,975,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,217,438.10 : 471,975,851.55 = 315,217,438.10 : x
  2. Step 2: Convert to fraction form
    315,217,438.10/471,975,851.55 = 315,217,438.10/x
  3. Step 3: Cross multiply
    315,217,438.10x = 471,975,851.55 × 315,217,438.10
  4. Step 4: Simplify right side
    315,217,438.10x = 148,775,018,770,656,928
  5. Step 5: Solve for x
    x = 148,775,018,770,656,928/315,217,438.10
  6. Step 6: Final answer
    x = 471,975,851.55

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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.