Home / 469,697,817.66-648,145,187.43-271,472,151.42

Finding the Fourth Proportional to 469,697,817.66, 648,145,187.43 and 271,472,151.42

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Solution

The fourth proportional to 469,697,817.66, 648,145,187.43 and 271,472,151.42 is: 374,609,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,697,817.66 : 648,145,187.43 = 271,472,151.42 : x
  2. Step 2: Convert to fraction form
    469,697,817.66/648,145,187.43 = 271,472,151.42/x
  3. Step 3: Cross multiply
    469,697,817.66x = 648,145,187.43 × 271,472,151.42
  4. Step 4: Simplify right side
    469,697,817.66x = 175,953,368,464,141,248
  5. Step 5: Solve for x
    x = 175,953,368,464,141,248/469,697,817.66
  6. Step 6: Final answer
    x = 374,609,721.08

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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.