Home / 580,349,063.40-869,389,854.30-349,632,810.60

Finding the Fourth Proportional to 580,349,063.40, 869,389,854.30 and 349,632,810.60

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Solution

The fourth proportional to 580,349,063.40, 869,389,854.30 and 349,632,810.60 is: 523,766,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,349,063.40 : 869,389,854.30 = 349,632,810.60 : x
  2. Step 2: Convert to fraction form
    580,349,063.40/869,389,854.30 = 349,632,810.60/x
  3. Step 3: Cross multiply
    580,349,063.40x = 869,389,854.30 × 349,632,810.60
  4. Step 4: Simplify right side
    580,349,063.40x = 303,967,218,266,033,472
  5. Step 5: Solve for x
    x = 303,967,218,266,033,472/580,349,063.40
  6. Step 6: Final answer
    x = 523,766,190.79

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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.