Home / 805,102,918.40-1,207,229,224.80-344,520,718.40

Finding the Fourth Proportional to 805,102,918.40, 1,207,229,224.80 and 344,520,718.40

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Solution

The fourth proportional to 805,102,918.40, 1,207,229,224.80 and 344,520,718.40 is: 516,599,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,102,918.40 : 1,207,229,224.80 = 344,520,718.40 : x
  2. Step 2: Convert to fraction form
    805,102,918.40/1,207,229,224.80 = 344,520,718.40/x
  3. Step 3: Cross multiply
    805,102,918.40x = 1,207,229,224.80 × 344,520,718.40
  4. Step 4: Simplify right side
    805,102,918.40x = 415,915,479,801,571,072
  5. Step 5: Solve for x
    x = 415,915,479,801,571,072/805,102,918.40
  6. Step 6: Final answer
    x = 516,599,145.64

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1.5x scale

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.