Home / 802,019,901.10-1,203,029,851.65-526,520,886.70

Finding the Fourth Proportional to 802,019,901.10, 1,203,029,851.65 and 526,520,886.70

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Solution

The fourth proportional to 802,019,901.10, 1,203,029,851.65 and 526,520,886.70 is: 789,781,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,019,901.10 : 1,203,029,851.65 = 526,520,886.70 : x
  2. Step 2: Convert to fraction form
    802,019,901.10/1,203,029,851.65 = 526,520,886.70/x
  3. Step 3: Cross multiply
    802,019,901.10x = 1,203,029,851.65 × 526,520,886.70
  4. Step 4: Simplify right side
    802,019,901.10x = 633,420,344,217,327,488
  5. Step 5: Solve for x
    x = 633,420,344,217,327,488/802,019,901.10
  6. Step 6: Final answer
    x = 789,781,330.05

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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.