Home / 864,448,498.25-1,192,939,296.53-467,971,478.22

Finding the Fourth Proportional to 864,448,498.25, 1,192,939,296.53 and 467,971,478.22

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Solution

The fourth proportional to 864,448,498.25, 1,192,939,296.53 and 467,971,478.22 is: 645,800,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,448,498.25 : 1,192,939,296.53 = 467,971,478.22 : x
  2. Step 2: Convert to fraction form
    864,448,498.25/1,192,939,296.53 = 467,971,478.22/x
  3. Step 3: Cross multiply
    864,448,498.25x = 1,192,939,296.53 × 467,971,478.22
  4. Step 4: Simplify right side
    864,448,498.25x = 558,261,566,023,871,040
  5. Step 5: Solve for x
    x = 558,261,566,023,871,040/864,448,498.25
  6. Step 6: Final answer
    x = 645,800,839.67

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1.5x scale

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.