Home / 625,478,229.45-863,157,588.10-343,225,392.84

Finding the Fourth Proportional to 625,478,229.45, 863,157,588.10 and 343,225,392.84

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Solution

The fourth proportional to 625,478,229.45, 863,157,588.10 and 343,225,392.84 is: 473,649,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,478,229.45 : 863,157,588.10 = 343,225,392.84 : x
  2. Step 2: Convert to fraction form
    625,478,229.45/863,157,588.10 = 343,225,392.84/x
  3. Step 3: Cross multiply
    625,478,229.45x = 863,157,588.10 × 343,225,392.84
  4. Step 4: Simplify right side
    625,478,229.45x = 296,257,602,258,449,408
  5. Step 5: Solve for x
    x = 296,257,602,258,449,408/625,478,229.45
  6. Step 6: Final answer
    x = 473,649,742.40

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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.