Home / 8,689,435,999.20-13,034,153,998.80-2,146,334,407.20

Finding the Fourth Proportional to 8,689,435,999.20, 13,034,153,998.80 and 2,146,334,407.20

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Solution

The fourth proportional to 8,689,435,999.20, 13,034,153,998.80 and 2,146,334,407.20 is: 3,219,501,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689,435,999.20 : 13,034,153,998.80 = 2,146,334,407.20 : x
  2. Step 2: Convert to fraction form
    8,689,435,999.20/13,034,153,998.80 = 2,146,334,407.20/x
  3. Step 3: Cross multiply
    8,689,435,999.20x = 13,034,153,998.80 × 2,146,334,407.20
  4. Step 4: Simplify right side
    8,689,435,999.20x = 27,975,653,196,367,904,768
  5. Step 5: Solve for x
    x = 27,975,653,196,367,904,768/8,689,435,999.20
  6. Step 6: Final answer
    x = 3,219,501,610.80

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1.5x scale

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.