Home / 663,369,968.52-915,478,244.28-366,031,499.22

Finding the Fourth Proportional to 663,369,968.52, 915,478,244.28 and 366,031,499.22

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Solution

The fourth proportional to 663,369,968.52, 915,478,244.28 and 366,031,499.22 is: 505,138,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,369,968.52 : 915,478,244.28 = 366,031,499.22 : x
  2. Step 2: Convert to fraction form
    663,369,968.52/915,478,244.28 = 366,031,499.22/x
  3. Step 3: Cross multiply
    663,369,968.52x = 915,478,244.28 × 366,031,499.22
  4. Step 4: Simplify right side
    663,369,968.52x = 335,093,874,257,101,824
  5. Step 5: Solve for x
    x = 335,093,874,257,101,824/663,369,968.52
  6. Step 6: Final answer
    x = 505,138,746.34

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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.