Home / 586,512,008.80-879,768,013.20-177,588,498.40

Finding the Fourth Proportional to 586,512,008.80, 879,768,013.20 and 177,588,498.40

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Solution

The fourth proportional to 586,512,008.80, 879,768,013.20 and 177,588,498.40 is: 266,382,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,512,008.80 : 879,768,013.20 = 177,588,498.40 : x
  2. Step 2: Convert to fraction form
    586,512,008.80/879,768,013.20 = 177,588,498.40/x
  3. Step 3: Cross multiply
    586,512,008.80x = 879,768,013.20 × 177,588,498.40
  4. Step 4: Simplify right side
    586,512,008.80x = 156,236,680,404,539,392
  5. Step 5: Solve for x
    x = 156,236,680,404,539,392/586,512,008.80
  6. Step 6: Final answer
    x = 266,382,747.60

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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.