Home / 5,108,323,869.05-7,666,396,791.66-2,312,255,985.12

Finding the Fourth Proportional to 5,108,323,869.05, 7,666,396,791.66 and 2,312,255,985.12

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Solution

The fourth proportional to 5,108,323,869.05, 7,666,396,791.66 and 2,312,255,985.12 is: 3,470,154,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108,323,869.05 : 7,666,396,791.66 = 2,312,255,985.12 : x
  2. Step 2: Convert to fraction form
    5,108,323,869.05/7,666,396,791.66 = 2,312,255,985.12/x
  3. Step 3: Cross multiply
    5,108,323,869.05x = 7,666,396,791.66 × 2,312,255,985.12
  4. Step 4: Simplify right side
    5,108,323,869.05x = 17,726,671,865,820,600,320
  5. Step 5: Solve for x
    x = 17,726,671,865,820,600,320/5,108,323,869.05
  6. Step 6: Final answer
    x = 3,470,154,265.91

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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.