Home / 628,665,630.15-867,519,479.63-346,392,274.65

Finding the Fourth Proportional to 628,665,630.15, 867,519,479.63 and 346,392,274.65

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Solution

The fourth proportional to 628,665,630.15, 867,519,479.63 and 346,392,274.65 is: 477,999,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,665,630.15 : 867,519,479.63 = 346,392,274.65 : x
  2. Step 2: Convert to fraction form
    628,665,630.15/867,519,479.63 = 346,392,274.65/x
  3. Step 3: Cross multiply
    628,665,630.15x = 867,519,479.63 × 346,392,274.65
  4. Step 4: Simplify right side
    628,665,630.15x = 300,502,045,847,882,432
  5. Step 5: Solve for x
    x = 300,502,045,847,882,432/628,665,630.15
  6. Step 6: Final answer
    x = 477,999,800.59

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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.