Home / 434,562,870.80-651,844,306.20-143,474,920.40

Finding the Fourth Proportional to 434,562,870.80, 651,844,306.20 and 143,474,920.40

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Solution

The fourth proportional to 434,562,870.80, 651,844,306.20 and 143,474,920.40 is: 215,212,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,562,870.80 : 651,844,306.20 = 143,474,920.40 : x
  2. Step 2: Convert to fraction form
    434,562,870.80/651,844,306.20 = 143,474,920.40/x
  3. Step 3: Cross multiply
    434,562,870.80x = 651,844,306.20 × 143,474,920.40
  4. Step 4: Simplify right side
    434,562,870.80x = 93,523,309,945,238,240
  5. Step 5: Solve for x
    x = 93,523,309,945,238,240/434,562,870.80
  6. Step 6: Final answer
    x = 215,212,380.60

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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.