Home / 553,672,521.10-830,402,493.45-165,508,014.70

Finding the Fourth Proportional to 553,672,521.10, 830,402,493.45 and 165,508,014.70

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Solution

The fourth proportional to 553,672,521.10, 830,402,493.45 and 165,508,014.70 is: 248,230,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,672,521.10 : 830,402,493.45 = 165,508,014.70 : x
  2. Step 2: Convert to fraction form
    553,672,521.10/830,402,493.45 = 165,508,014.70/x
  3. Step 3: Cross multiply
    553,672,521.10x = 830,402,493.45 × 165,508,014.70
  4. Step 4: Simplify right side
    553,672,521.10x = 137,438,268,092,839,248
  5. Step 5: Solve for x
    x = 137,438,268,092,839,248/553,672,521.10
  6. Step 6: Final answer
    x = 248,230,249.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.