Home / 857,442,185.51-1,182,833,939.66-560,258,162.15

Finding the Fourth Proportional to 857,442,185.51, 1,182,833,939.66 and 560,258,162.15

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Solution

The fourth proportional to 857,442,185.51, 1,182,833,939.66 and 560,258,162.15 is: 772,871,198.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,442,185.51 : 1,182,833,939.66 = 560,258,162.15 : x
  2. Step 2: Convert to fraction form
    857,442,185.51/1,182,833,939.66 = 560,258,162.15/x
  3. Step 3: Cross multiply
    857,442,185.51x = 1,182,833,939.66 × 560,258,162.15
  4. Step 4: Simplify right side
    857,442,185.51x = 662,692,369,153,840,128
  5. Step 5: Solve for x
    x = 662,692,369,153,840,128/857,442,185.51
  6. Step 6: Final answer
    x = 772,871,198.03

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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.