Home / 385,642,121.67-532,348,992.45-260,364,033

Finding the Fourth Proportional to 385,642,121.67, 532,348,992.45 and 260,364,033

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Solution

The fourth proportional to 385,642,121.67, 532,348,992.45 and 260,364,033 is: 359,412,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,642,121.67 : 532,348,992.45 = 260,364,033 : x
  2. Step 2: Convert to fraction form
    385,642,121.67/532,348,992.45 = 260,364,033/x
  3. Step 3: Cross multiply
    385,642,121.67x = 532,348,992.45 × 260,364,033
  4. Step 4: Simplify right side
    385,642,121.67x = 138,604,530,637,768,544
  5. Step 5: Solve for x
    x = 138,604,530,637,768,544/385,642,121.67
  6. Step 6: Final answer
    x = 359,412,322.59

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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.