Home / 7,218,834,715.87-10,820,609,699.92-2,428,176,980.66

Finding the Fourth Proportional to 7,218,834,715.87, 10,820,609,699.92 and 2,428,176,980.66

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Solution

The fourth proportional to 7,218,834,715.87, 10,820,609,699.92 and 2,428,176,980.66 is: 3,639,694,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,834,715.87 : 10,820,609,699.92 = 2,428,176,980.66 : x
  2. Step 2: Convert to fraction form
    7,218,834,715.87/10,820,609,699.92 = 2,428,176,980.66/x
  3. Step 3: Cross multiply
    7,218,834,715.87x = 10,820,609,699.92 × 2,428,176,980.66
  4. Step 4: Simplify right side
    7,218,834,715.87x = 26,274,355,390,097,211,392
  5. Step 5: Solve for x
    x = 26,274,355,390,097,211,392/7,218,834,715.87
  6. Step 6: Final answer
    x = 3,639,694,829.46

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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.