Home / 517,162,039.32-713,698,686.15-282,227,832.28

Finding the Fourth Proportional to 517,162,039.32, 713,698,686.15 and 282,227,832.28

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Solution

The fourth proportional to 517,162,039.32, 713,698,686.15 and 282,227,832.28 is: 389,482,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,162,039.32 : 713,698,686.15 = 282,227,832.28 : x
  2. Step 2: Convert to fraction form
    517,162,039.32/713,698,686.15 = 282,227,832.28/x
  3. Step 3: Cross multiply
    517,162,039.32x = 713,698,686.15 × 282,227,832.28
  4. Step 4: Simplify right side
    517,162,039.32x = 201,425,633,093,198,528
  5. Step 5: Solve for x
    x = 201,425,633,093,198,528/517,162,039.32
  6. Step 6: Final answer
    x = 389,482,633.64

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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.