Home / 3,155,656,969.22-4,353,749,108.61-1,817,520,263.78

Finding the Fourth Proportional to 3,155,656,969.22, 4,353,749,108.61 and 1,817,520,263.78

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Solution

The fourth proportional to 3,155,656,969.22, 4,353,749,108.61 and 1,817,520,263.78 is: 2,507,568,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,656,969.22 : 4,353,749,108.61 = 1,817,520,263.78 : x
  2. Step 2: Convert to fraction form
    3,155,656,969.22/4,353,749,108.61 = 1,817,520,263.78/x
  3. Step 3: Cross multiply
    3,155,656,969.22x = 4,353,749,108.61 × 1,817,520,263.78
  4. Step 4: Simplify right side
    3,155,656,969.22x = 7,913,027,228,312,785,920
  5. Step 5: Solve for x
    x = 7,913,027,228,312,785,920/3,155,656,969.22
  6. Step 6: Final answer
    x = 2,507,568,885.18

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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.