Home / 406,010,918.64-560,280,064.53-220,367,948.52

Finding the Fourth Proportional to 406,010,918.64, 560,280,064.53 and 220,367,948.52

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Solution

The fourth proportional to 406,010,918.64, 560,280,064.53 and 220,367,948.52 is: 304,099,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,918.64 : 560,280,064.53 = 220,367,948.52 : x
  2. Step 2: Convert to fraction form
    406,010,918.64/560,280,064.53 = 220,367,948.52/x
  3. Step 3: Cross multiply
    406,010,918.64x = 560,280,064.53 × 220,367,948.52
  4. Step 4: Simplify right side
    406,010,918.64x = 123,467,768,417,129,312
  5. Step 5: Solve for x
    x = 123,467,768,417,129,312/406,010,918.64
  6. Step 6: Final answer
    x = 304,099,625.77

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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.