Home / 347,273,113.11-478,574,595.22-340,890,091.51

Finding the Fourth Proportional to 347,273,113.11, 478,574,595.22 and 340,890,091.51

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Solution

The fourth proportional to 347,273,113.11, 478,574,595.22 and 340,890,091.51 is: 469,778,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,273,113.11 : 478,574,595.22 = 340,890,091.51 : x
  2. Step 2: Convert to fraction form
    347,273,113.11/478,574,595.22 = 340,890,091.51/x
  3. Step 3: Cross multiply
    347,273,113.11x = 478,574,595.22 × 340,890,091.51
  4. Step 4: Simplify right side
    347,273,113.11x = 163,141,337,561,476,416
  5. Step 5: Solve for x
    x = 163,141,337,561,476,416/347,273,113.11
  6. Step 6: Final answer
    x = 469,778,198.78

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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.