Home / 897,380,295.30-1,238,591,431.80-526,221,900.90

Finding the Fourth Proportional to 897,380,295.30, 1,238,591,431.80 and 526,221,900.90

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Solution

The fourth proportional to 897,380,295.30, 1,238,591,431.80 and 526,221,900.90 is: 726,307,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,380,295.30 : 1,238,591,431.80 = 526,221,900.90 : x
  2. Step 2: Convert to fraction form
    897,380,295.30/1,238,591,431.80 = 526,221,900.90/x
  3. Step 3: Cross multiply
    897,380,295.30x = 1,238,591,431.80 × 526,221,900.90
  4. Step 4: Simplify right side
    897,380,295.30x = 651,773,937,680,248,704
  5. Step 5: Solve for x
    x = 651,773,937,680,248,704/897,380,295.30
  6. Step 6: Final answer
    x = 726,307,387.28

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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.