Home / 806,144,062.40-1,209,393,040.80-397,396,030.40

Finding the Fourth Proportional to 806,144,062.40, 1,209,393,040.80 and 397,396,030.40

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Solution

The fourth proportional to 806,144,062.40, 1,209,393,040.80 and 397,396,030.40 is: 596,181,273.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,144,062.40 : 1,209,393,040.80 = 397,396,030.40 : x
  2. Step 2: Convert to fraction form
    806,144,062.40/1,209,393,040.80 = 397,396,030.40/x
  3. Step 3: Cross multiply
    806,144,062.40x = 1,209,393,040.80 × 397,396,030.40
  4. Step 4: Simplify right side
    806,144,062.40x = 480,607,993,607,305,216
  5. Step 5: Solve for x
    x = 480,607,993,607,305,216/806,144,062.40
  6. Step 6: Final answer
    x = 596,181,273.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.