Home / 20,974,336,054.60-31,461,504,081.90-8,545,891,491.40

Finding the Fourth Proportional to 20,974,336,054.60, 31,461,504,081.90 and 8,545,891,491.40

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Solution

The fourth proportional to 20,974,336,054.60, 31,461,504,081.90 and 8,545,891,491.40 is: 12,818,837,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,974,336,054.60 : 31,461,504,081.90 = 8,545,891,491.40 : x
  2. Step 2: Convert to fraction form
    20,974,336,054.60/31,461,504,081.90 = 8,545,891,491.40/x
  3. Step 3: Cross multiply
    20,974,336,054.60x = 31,461,504,081.90 × 8,545,891,491.40
  4. Step 4: Simplify right side
    20,974,336,054.60x = 268,866,600,040,155,578,368
  5. Step 5: Solve for x
    x = 268,866,600,040,155,578,368/20,974,336,054.60
  6. Step 6: Final answer
    x = 12,818,837,237.10

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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.