Home / 1,417,391,838.92-1,956,006,145.14-790,886,672.84

Finding the Fourth Proportional to 1,417,391,838.92, 1,956,006,145.14 and 790,886,672.84

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Solution

The fourth proportional to 1,417,391,838.92, 1,956,006,145.14 and 790,886,672.84 is: 1,091,426,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,391,838.92 : 1,956,006,145.14 = 790,886,672.84 : x
  2. Step 2: Convert to fraction form
    1,417,391,838.92/1,956,006,145.14 = 790,886,672.84/x
  3. Step 3: Cross multiply
    1,417,391,838.92x = 1,956,006,145.14 × 790,886,672.84
  4. Step 4: Simplify right side
    1,417,391,838.92x = 1,546,979,192,184,368,896
  5. Step 5: Solve for x
    x = 1,546,979,192,184,368,896/1,417,391,838.92
  6. Step 6: Final answer
    x = 1,091,426,625.80

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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.