Home / 385,642,139.05-532,349,016.48-260,364,050.38

Finding the Fourth Proportional to 385,642,139.05, 532,349,016.48 and 260,364,050.38

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Solution

The fourth proportional to 385,642,139.05, 532,349,016.48 and 260,364,050.38 is: 359,412,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,642,139.05 : 532,349,016.48 = 260,364,050.38 : x
  2. Step 2: Convert to fraction form
    385,642,139.05/532,349,016.48 = 260,364,050.38/x
  3. Step 3: Cross multiply
    385,642,139.05x = 532,349,016.48 × 260,364,050.38
  4. Step 4: Simplify right side
    385,642,139.05x = 138,604,546,142,578,608
  5. Step 5: Solve for x
    x = 138,604,546,142,578,608/385,642,139.05
  6. Step 6: Final answer
    x = 359,412,346.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.