Home / 262,656,710.40-393,985,065.60-159,192,364.80

Finding the Fourth Proportional to 262,656,710.40, 393,985,065.60 and 159,192,364.80

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Solution

The fourth proportional to 262,656,710.40, 393,985,065.60 and 159,192,364.80 is: 238,788,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,656,710.40 : 393,985,065.60 = 159,192,364.80 : x
  2. Step 2: Convert to fraction form
    262,656,710.40/393,985,065.60 = 159,192,364.80/x
  3. Step 3: Cross multiply
    262,656,710.40x = 393,985,065.60 × 159,192,364.80
  4. Step 4: Simplify right side
    262,656,710.40x = 62,719,414,288,747,136
  5. Step 5: Solve for x
    x = 62,719,414,288,747,136/262,656,710.40
  6. Step 6: Final answer
    x = 238,788,547.20

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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.