Home / 1,061,661,781.95-1,465,721,726.53-943,861,739.51

Finding the Fourth Proportional to 1,061,661,781.95, 1,465,721,726.53 and 943,861,739.51

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Solution

The fourth proportional to 1,061,661,781.95, 1,465,721,726.53 and 943,861,739.51 is: 1,303,087,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,661,781.95 : 1,465,721,726.53 = 943,861,739.51 : x
  2. Step 2: Convert to fraction form
    1,061,661,781.95/1,465,721,726.53 = 943,861,739.51/x
  3. Step 3: Cross multiply
    1,061,661,781.95x = 1,465,721,726.53 × 943,861,739.51
  4. Step 4: Simplify right side
    1,061,661,781.95x = 1,383,438,658,432,877,568
  5. Step 5: Solve for x
    x = 1,383,438,658,432,877,568/1,061,661,781.95
  6. Step 6: Final answer
    x = 1,303,087,934.36

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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.