Home / 791,043,999.40-1,091,540,382.66-433,717,742.52

Finding the Fourth Proportional to 791,043,999.40, 1,091,540,382.66 and 433,717,742.52

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Solution

The fourth proportional to 791,043,999.40, 1,091,540,382.66 and 433,717,742.52 is: 598,475,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,043,999.40 : 1,091,540,382.66 = 433,717,742.52 : x
  2. Step 2: Convert to fraction form
    791,043,999.40/1,091,540,382.66 = 433,717,742.52/x
  3. Step 3: Cross multiply
    791,043,999.40x = 1,091,540,382.66 × 433,717,742.52
  4. Step 4: Simplify right side
    791,043,999.40x = 473,420,430,636,712,192
  5. Step 5: Solve for x
    x = 473,420,430,636,712,192/791,043,999.40
  6. Step 6: Final answer
    x = 598,475,471.65

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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.