Home / 773,338,447.60-1,158,999,901.80-312,899,714.80

Finding the Fourth Proportional to 773,338,447.60, 1,158,999,901.80 and 312,899,714.80

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Solution

The fourth proportional to 773,338,447.60, 1,158,999,901.80 and 312,899,714.80 is: 468,941,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,338,447.60 : 1,158,999,901.80 = 312,899,714.80 : x
  2. Step 2: Convert to fraction form
    773,338,447.60/1,158,999,901.80 = 312,899,714.80/x
  3. Step 3: Cross multiply
    773,338,447.60x = 1,158,999,901.80 × 312,899,714.80
  4. Step 4: Simplify right side
    773,338,447.60x = 362,650,738,726,448,000
  5. Step 5: Solve for x
    x = 362,650,738,726,448,000/773,338,447.60
  6. Step 6: Final answer
    x = 468,941,819.53

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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.