Home / 2,020,921,411.05-3,031,489,172.86-622,865,924.72

Finding the Fourth Proportional to 2,020,921,411.05, 3,031,489,172.86 and 622,865,924.72

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Solution

The fourth proportional to 2,020,921,411.05, 3,031,489,172.86 and 622,865,924.72 is: 934,331,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,921,411.05 : 3,031,489,172.86 = 622,865,924.72 : x
  2. Step 2: Convert to fraction form
    2,020,921,411.05/3,031,489,172.86 = 622,865,924.72/x
  3. Step 3: Cross multiply
    2,020,921,411.05x = 3,031,489,172.86 × 622,865,924.72
  4. Step 4: Simplify right side
    2,020,921,411.05x = 1,888,211,306,943,834,368
  5. Step 5: Solve for x
    x = 1,888,211,306,943,834,368/2,020,921,411.05
  6. Step 6: Final answer
    x = 934,331,882.78

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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.