Home / 20,803,182,078.20-31,204,773,117.30-13,364,708,689.40

Finding the Fourth Proportional to 20,803,182,078.20, 31,204,773,117.30 and 13,364,708,689.40

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Solution

The fourth proportional to 20,803,182,078.20, 31,204,773,117.30 and 13,364,708,689.40 is: 20,047,063,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,182,078.20 : 31,204,773,117.30 = 13,364,708,689.40 : x
  2. Step 2: Convert to fraction form
    20,803,182,078.20/31,204,773,117.30 = 13,364,708,689.40/x
  3. Step 3: Cross multiply
    20,803,182,078.20x = 31,204,773,117.30 × 13,364,708,689.40
  4. Step 4: Simplify right side
    20,803,182,078.20x = 417,042,702,431,534,841,856
  5. Step 5: Solve for x
    x = 417,042,702,431,534,841,856/20,803,182,078.20
  6. Step 6: Final answer
    x = 20,047,063,034.10

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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.