Home / 689,382,614.93-951,346,713.08-376,117,041.11

Finding the Fourth Proportional to 689,382,614.93, 951,346,713.08 and 376,117,041.11

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Solution

The fourth proportional to 689,382,614.93, 951,346,713.08 and 376,117,041.11 is: 519,040,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,382,614.93 : 951,346,713.08 = 376,117,041.11 : x
  2. Step 2: Convert to fraction form
    689,382,614.93/951,346,713.08 = 376,117,041.11/x
  3. Step 3: Cross multiply
    689,382,614.93x = 951,346,713.08 × 376,117,041.11
  4. Step 4: Simplify right side
    689,382,614.93x = 357,817,710,789,557,312
  5. Step 5: Solve for x
    x = 357,817,710,789,557,312/689,382,614.93
  6. Step 6: Final answer
    x = 519,040,809.91

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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.