Home / 427,118,849.32-589,428,651.36-250,914,271.36

Finding the Fourth Proportional to 427,118,849.32, 589,428,651.36 and 250,914,271.36

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Solution

The fourth proportional to 427,118,849.32, 589,428,651.36 and 250,914,271.36 is: 346,264,419.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,118,849.32 : 589,428,651.36 = 250,914,271.36 : x
  2. Step 2: Convert to fraction form
    427,118,849.32/589,428,651.36 = 250,914,271.36/x
  3. Step 3: Cross multiply
    427,118,849.32x = 589,428,651.36 × 250,914,271.36
  4. Step 4: Simplify right side
    427,118,849.32x = 147,896,060,574,701,888
  5. Step 5: Solve for x
    x = 147,896,060,574,701,888/427,118,849.32
  6. Step 6: Final answer
    x = 346,264,419.87

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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.