Home / 712,051,719.80-1,068,198,171.06-245,586,490.04

Finding the Fourth Proportional to 712,051,719.80, 1,068,198,171.06 and 245,586,490.04

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Solution

The fourth proportional to 712,051,719.80, 1,068,198,171.06 and 245,586,490.04 is: 368,421,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,051,719.80 : 1,068,198,171.06 = 245,586,490.04 : x
  2. Step 2: Convert to fraction form
    712,051,719.80/1,068,198,171.06 = 245,586,490.04/x
  3. Step 3: Cross multiply
    712,051,719.80x = 1,068,198,171.06 × 245,586,490.04
  4. Step 4: Simplify right side
    712,051,719.80x = 262,335,039,497,772,896
  5. Step 5: Solve for x
    x = 262,335,039,497,772,896/712,051,719.80
  6. Step 6: Final answer
    x = 368,421,326.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.