Home / 21,146,236,980.11-31,732,402,247.71-9,799,299,019.66

Finding the Fourth Proportional to 21,146,236,980.11, 31,732,402,247.71 and 9,799,299,019.66

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Solution

The fourth proportional to 21,146,236,980.11, 31,732,402,247.71 and 9,799,299,019.66 is: 14,704,994,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,146,236,980.11 : 31,732,402,247.71 = 9,799,299,019.66 : x
  2. Step 2: Convert to fraction form
    21,146,236,980.11/31,732,402,247.71 = 9,799,299,019.66/x
  3. Step 3: Cross multiply
    21,146,236,980.11x = 31,732,402,247.71 × 9,799,299,019.66
  4. Step 4: Simplify right side
    21,146,236,980.11x = 310,955,298,237,447,405,568
  5. Step 5: Solve for x
    x = 310,955,298,237,447,405,568/21,146,236,980.11
  6. Step 6: Final answer
    x = 14,704,994,488.14

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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.