Home / 912,256,186.59-1,259,952,797.61-618,390,571.23

Finding the Fourth Proportional to 912,256,186.59, 1,259,952,797.61 and 618,390,571.23

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Solution

The fourth proportional to 912,256,186.59, 1,259,952,797.61 and 618,390,571.23 is: 854,083,470.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,256,186.59 : 1,259,952,797.61 = 618,390,571.23 : x
  2. Step 2: Convert to fraction form
    912,256,186.59/1,259,952,797.61 = 618,390,571.23/x
  3. Step 3: Cross multiply
    912,256,186.59x = 1,259,952,797.61 × 618,390,571.23
  4. Step 4: Simplify right side
    912,256,186.59x = 779,142,930,236,884,480
  5. Step 5: Solve for x
    x = 779,142,930,236,884,480/912,256,186.59
  6. Step 6: Final answer
    x = 854,083,470.95

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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.