Home / 689,548,113.05-951,596,493.18-376,302,504.74

Finding the Fourth Proportional to 689,548,113.05, 951,596,493.18 and 376,302,504.74

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Solution

The fourth proportional to 689,548,113.05, 951,596,493.18 and 376,302,504.74 is: 519,308,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,548,113.05 : 951,596,493.18 = 376,302,504.74 : x
  2. Step 2: Convert to fraction form
    689,548,113.05/951,596,493.18 = 376,302,504.74/x
  3. Step 3: Cross multiply
    689,548,113.05x = 951,596,493.18 × 376,302,504.74
  4. Step 4: Simplify right side
    689,548,113.05x = 358,088,143,885,434,304
  5. Step 5: Solve for x
    x = 358,088,143,885,434,304/689,548,113.05
  6. Step 6: Final answer
    x = 519,308,424.04

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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.