Home / 542,960,156.20-814,335,121.50-210,966,596.68

Finding the Fourth Proportional to 542,960,156.20, 814,335,121.50 and 210,966,596.68

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Solution

The fourth proportional to 542,960,156.20, 814,335,121.50 and 210,966,596.68 is: 316,409,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,960,156.20 : 814,335,121.50 = 210,966,596.68 : x
  2. Step 2: Convert to fraction form
    542,960,156.20/814,335,121.50 = 210,966,596.68/x
  3. Step 3: Cross multiply
    542,960,156.20x = 814,335,121.50 × 210,966,596.68
  4. Step 4: Simplify right side
    542,960,156.20x = 171,797,509,139,849,312
  5. Step 5: Solve for x
    x = 171,797,509,139,849,312/542,960,156.20
  6. Step 6: Final answer
    x = 316,409,053.55

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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.