Home / 261,594,000.30-392,391,000.45-255,925,296.30

Finding the Fourth Proportional to 261,594,000.30, 392,391,000.45 and 255,925,296.30

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Solution

The fourth proportional to 261,594,000.30, 392,391,000.45 and 255,925,296.30 is: 383,887,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,594,000.30 : 392,391,000.45 = 255,925,296.30 : x
  2. Step 2: Convert to fraction form
    261,594,000.30/392,391,000.45 = 255,925,296.30/x
  3. Step 3: Cross multiply
    261,594,000.30x = 392,391,000.45 × 255,925,296.30
  4. Step 4: Simplify right side
    261,594,000.30x = 100,422,783,055,619,680
  5. Step 5: Solve for x
    x = 100,422,783,055,619,680/261,594,000.30
  6. Step 6: Final answer
    x = 383,887,944.45

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1.5x scale

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.