Home / 899,895,778.52-1,349,888,840.25-286,527,833.96

Finding the Fourth Proportional to 899,895,778.52, 1,349,888,840.25 and 286,527,833.96

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Solution

The fourth proportional to 899,895,778.52, 1,349,888,840.25 and 286,527,833.96 is: 429,806,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,895,778.52 : 1,349,888,840.25 = 286,527,833.96 : x
  2. Step 2: Convert to fraction form
    899,895,778.52/1,349,888,840.25 = 286,527,833.96/x
  3. Step 3: Cross multiply
    899,895,778.52x = 1,349,888,840.25 × 286,527,833.96
  4. Step 4: Simplify right side
    899,895,778.52x = 386,780,725,476,859,520
  5. Step 5: Solve for x
    x = 386,780,725,476,859,520/899,895,778.52
  6. Step 6: Final answer
    x = 429,806,133.90

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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.