Home / 353,750,700.52-530,518,975.02-123,676,900.84

Finding the Fourth Proportional to 353,750,700.52, 530,518,975.02 and 123,676,900.84

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Solution

The fourth proportional to 353,750,700.52, 530,518,975.02 and 123,676,900.84 is: 185,477,915.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,750,700.52 : 530,518,975.02 = 123,676,900.84 : x
  2. Step 2: Convert to fraction form
    353,750,700.52/530,518,975.02 = 123,676,900.84/x
  3. Step 3: Cross multiply
    353,750,700.52x = 530,518,975.02 × 123,676,900.84
  4. Step 4: Simplify right side
    353,750,700.52x = 65,612,942,667,286,976
  5. Step 5: Solve for x
    x = 65,612,942,667,286,976/353,750,700.52
  6. Step 6: Final answer
    x = 185,477,915.86

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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.