Home / 743,472,293.44-1,115,023,017.12-218,736,971.68

Finding the Fourth Proportional to 743,472,293.44, 1,115,023,017.12 and 218,736,971.68

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Solution

The fourth proportional to 743,472,293.44, 1,115,023,017.12 and 218,736,971.68 is: 328,050,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,472,293.44 : 1,115,023,017.12 = 218,736,971.68 : x
  2. Step 2: Convert to fraction form
    743,472,293.44/1,115,023,017.12 = 218,736,971.68/x
  3. Step 3: Cross multiply
    743,472,293.44x = 1,115,023,017.12 × 218,736,971.68
  4. Step 4: Simplify right side
    743,472,293.44x = 243,896,758,118,325,568
  5. Step 5: Solve for x
    x = 243,896,758,118,325,568/743,472,293.44
  6. Step 6: Final answer
    x = 328,050,904.21

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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.