Home / 857,002,725,912.45-1,182,663,954,802.80-471,627,071,764.01

Finding the Fourth Proportional to 857,002,725,912.45, 1,182,663,954,802.80 and 471,627,071,764.01

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Solution

The fourth proportional to 857,002,725,912.45, 1,182,663,954,802.80 and 471,627,071,764.01 is: 650,845,465,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,002,725,912.45 : 1,182,663,954,802.80 = 471,627,071,764.01 : x
  2. Step 2: Convert to fraction form
    857,002,725,912.45/1,182,663,954,802.80 = 471,627,071,764.01/x
  3. Step 3: Cross multiply
    857,002,725,912.45x = 1,182,663,954,802.80 × 471,627,071,764.01
  4. Step 4: Simplify right side
    857,002,725,912.45x = 557,776,337,884,488,073,740,288
  5. Step 5: Solve for x
    x = 557,776,337,884,488,073,740,288/857,002,725,912.45
  6. Step 6: Final answer
    x = 650,845,465,270.40

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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.