Home / 1,661,020,434.59-2,491,778,397.87-611,677,954.76

Finding the Fourth Proportional to 1,661,020,434.59, 2,491,778,397.87 and 611,677,954.76

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Solution

The fourth proportional to 1,661,020,434.59, 2,491,778,397.87 and 611,677,954.76 is: 917,608,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,020,434.59 : 2,491,778,397.87 = 611,677,954.76 : x
  2. Step 2: Convert to fraction form
    1,661,020,434.59/2,491,778,397.87 = 611,677,954.76/x
  3. Step 3: Cross multiply
    1,661,020,434.59x = 2,491,778,397.87 × 611,677,954.76
  4. Step 4: Simplify right side
    1,661,020,434.59x = 1,524,165,914,111,812,096
  5. Step 5: Solve for x
    x = 1,524,165,914,111,812,096/1,661,020,434.59
  6. Step 6: Final answer
    x = 917,608,165.67

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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.