Home / 508,418,563.36-701,596,956-288,397,265.44

Finding the Fourth Proportional to 508,418,563.36, 701,596,956 and 288,397,265.44

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Solution

The fourth proportional to 508,418,563.36, 701,596,956 and 288,397,265.44 is: 397,976,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,418,563.36 : 701,596,956 = 288,397,265.44 : x
  2. Step 2: Convert to fraction form
    508,418,563.36/701,596,956 = 288,397,265.44/x
  3. Step 3: Cross multiply
    508,418,563.36x = 701,596,956 × 288,397,265.44
  4. Step 4: Simplify right side
    508,418,563.36x = 202,338,643,551,428,000
  5. Step 5: Solve for x
    x = 202,338,643,551,428,000/508,418,563.36
  6. Step 6: Final answer
    x = 397,976,506.24

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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.