Home / 1,417,391,836.92-1,956,006,142.38-790,886,670.84

Finding the Fourth Proportional to 1,417,391,836.92, 1,956,006,142.38 and 790,886,670.84

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Solution

The fourth proportional to 1,417,391,836.92, 1,956,006,142.38 and 790,886,670.84 is: 1,091,426,623.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,391,836.92 : 1,956,006,142.38 = 790,886,670.84 : x
  2. Step 2: Convert to fraction form
    1,417,391,836.92/1,956,006,142.38 = 790,886,670.84/x
  3. Step 3: Cross multiply
    1,417,391,836.92x = 1,956,006,142.38 × 790,886,670.84
  4. Step 4: Simplify right side
    1,417,391,836.92x = 1,546,979,186,089,509,376
  5. Step 5: Solve for x
    x = 1,546,979,186,089,509,376/1,417,391,836.92
  6. Step 6: Final answer
    x = 1,091,426,623.04

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Double scale
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1.5x scale

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.