Home / 882,956,130.84-1,218,517,050.78-491,815,727.64

Finding the Fourth Proportional to 882,956,130.84, 1,218,517,050.78 and 491,815,727.64

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Solution

The fourth proportional to 882,956,130.84, 1,218,517,050.78 and 491,815,727.64 is: 678,726,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,956,130.84 : 1,218,517,050.78 = 491,815,727.64 : x
  2. Step 2: Convert to fraction form
    882,956,130.84/1,218,517,050.78 = 491,815,727.64/x
  3. Step 3: Cross multiply
    882,956,130.84x = 1,218,517,050.78 × 491,815,727.64
  4. Step 4: Simplify right side
    882,956,130.84x = 599,285,849,971,112,448
  5. Step 5: Solve for x
    x = 599,285,849,971,112,448/882,956,130.84
  6. Step 6: Final answer
    x = 678,726,642.29

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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.