Home / 838,190,086.98-1,148,325,628.31-806,772,474.42

Finding the Fourth Proportional to 838,190,086.98, 1,148,325,628.31 and 806,772,474.42

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Solution

The fourth proportional to 838,190,086.98, 1,148,325,628.31 and 806,772,474.42 is: 1,105,283,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,190,086.98 : 1,148,325,628.31 = 806,772,474.42 : x
  2. Step 2: Convert to fraction form
    838,190,086.98/1,148,325,628.31 = 806,772,474.42/x
  3. Step 3: Cross multiply
    838,190,086.98x = 1,148,325,628.31 × 806,772,474.42
  4. Step 4: Simplify right side
    838,190,086.98x = 926,437,508,591,559,808
  5. Step 5: Solve for x
    x = 926,437,508,591,559,808/838,190,086.98
  6. Step 6: Final answer
    x = 1,105,283,303.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.