Home / 788,531,501.70-1,182,797,252.55-663,696,010.80

Finding the Fourth Proportional to 788,531,501.70, 1,182,797,252.55 and 663,696,010.80

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Solution

The fourth proportional to 788,531,501.70, 1,182,797,252.55 and 663,696,010.80 is: 995,544,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,531,501.70 : 1,182,797,252.55 = 663,696,010.80 : x
  2. Step 2: Convert to fraction form
    788,531,501.70/1,182,797,252.55 = 663,696,010.80/x
  3. Step 3: Cross multiply
    788,531,501.70x = 1,182,797,252.55 × 663,696,010.80
  4. Step 4: Simplify right side
    788,531,501.70x = 785,017,818,102,635,008
  5. Step 5: Solve for x
    x = 785,017,818,102,635,008/788,531,501.70
  6. Step 6: Final answer
    x = 995,544,016.20

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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.