Home / 342,011,728.10-472,026,614.52-216,575,376.77

Finding the Fourth Proportional to 342,011,728.10, 472,026,614.52 and 216,575,376.77

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Solution

The fourth proportional to 342,011,728.10, 472,026,614.52 and 216,575,376.77 is: 298,905,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,011,728.10 : 472,026,614.52 = 216,575,376.77 : x
  2. Step 2: Convert to fraction form
    342,011,728.10/472,026,614.52 = 216,575,376.77/x
  3. Step 3: Cross multiply
    342,011,728.10x = 472,026,614.52 × 216,575,376.77
  4. Step 4: Simplify right side
    342,011,728.10x = 102,229,341,882,776,416
  5. Step 5: Solve for x
    x = 102,229,341,882,776,416/342,011,728.10
  6. Step 6: Final answer
    x = 298,905,954.05

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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.