Home / 689,549,023.84-951,597,876.24-376,303,462.72

Finding the Fourth Proportional to 689,549,023.84, 951,597,876.24 and 376,303,462.72

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Solution

The fourth proportional to 689,549,023.84, 951,597,876.24 and 376,303,462.72 is: 519,309,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,549,023.84 : 951,597,876.24 = 376,303,462.72 : x
  2. Step 2: Convert to fraction form
    689,549,023.84/951,597,876.24 = 376,303,462.72/x
  3. Step 3: Cross multiply
    689,549,023.84x = 951,597,876.24 × 376,303,462.72
  4. Step 4: Simplify right side
    689,549,023.84x = 358,089,575,946,110,016
  5. Step 5: Solve for x
    x = 358,089,575,946,110,016/689,549,023.84
  6. Step 6: Final answer
    x = 519,309,814.92

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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.