Home / 586,432,543.75-879,222,320.34-275,379,877.33

Finding the Fourth Proportional to 586,432,543.75, 879,222,320.34 and 275,379,877.33

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Solution

The fourth proportional to 586,432,543.75, 879,222,320.34 and 275,379,877.33 is: 412,869,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,432,543.75 : 879,222,320.34 = 275,379,877.33 : x
  2. Step 2: Convert to fraction form
    586,432,543.75/879,222,320.34 = 275,379,877.33/x
  3. Step 3: Cross multiply
    586,432,543.75x = 879,222,320.34 × 275,379,877.33
  4. Step 4: Simplify right side
    586,432,543.75x = 242,120,134,721,027,168
  5. Step 5: Solve for x
    x = 242,120,134,721,027,168/586,432,543.75
  6. Step 6: Final answer
    x = 412,869,540.24

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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.