Home / 1,876,421,544.47-2,589,412,429.75-1,029,646,265.48

Finding the Fourth Proportional to 1,876,421,544.47, 2,589,412,429.75 and 1,029,646,265.48

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Solution

The fourth proportional to 1,876,421,544.47, 2,589,412,429.75 and 1,029,646,265.48 is: 1,420,884,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,421,544.47 : 2,589,412,429.75 = 1,029,646,265.48 : x
  2. Step 2: Convert to fraction form
    1,876,421,544.47/2,589,412,429.75 = 1,029,646,265.48/x
  3. Step 3: Cross multiply
    1,876,421,544.47x = 2,589,412,429.75 × 1,029,646,265.48
  4. Step 4: Simplify right side
    1,876,421,544.47x = 2,666,178,838,079,580,160
  5. Step 5: Solve for x
    x = 2,666,178,838,079,580,160/1,876,421,544.47
  6. Step 6: Final answer
    x = 1,420,884,793.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.