Home / 397,122,069.60-595,683,104.40-287,716,082.40

Finding the Fourth Proportional to 397,122,069.60, 595,683,104.40 and 287,716,082.40

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Solution

The fourth proportional to 397,122,069.60, 595,683,104.40 and 287,716,082.40 is: 431,574,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,122,069.60 : 595,683,104.40 = 287,716,082.40 : x
  2. Step 2: Convert to fraction form
    397,122,069.60/595,683,104.40 = 287,716,082.40/x
  3. Step 3: Cross multiply
    397,122,069.60x = 595,683,104.40 × 287,716,082.40
  4. Step 4: Simplify right side
    397,122,069.60x = 171,387,609,149,838,176
  5. Step 5: Solve for x
    x = 171,387,609,149,838,176/397,122,069.60
  6. Step 6: Final answer
    x = 431,574,123.60

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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.