Home / 510,208,274.24-704,109,715.36-287,204,345.72

Finding the Fourth Proportional to 510,208,274.24, 704,109,715.36 and 287,204,345.72

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Solution

The fourth proportional to 510,208,274.24, 704,109,715.36 and 287,204,345.72 is: 396,354,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,208,274.24 : 704,109,715.36 = 287,204,345.72 : x
  2. Step 2: Convert to fraction form
    510,208,274.24/704,109,715.36 = 287,204,345.72/x
  3. Step 3: Cross multiply
    510,208,274.24x = 704,109,715.36 × 287,204,345.72
  4. Step 4: Simplify right side
    510,208,274.24x = 202,223,370,113,466,080
  5. Step 5: Solve for x
    x = 202,223,370,113,466,080/510,208,274.24
  6. Step 6: Final answer
    x = 396,354,548.38

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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.