Home / 510,208,277.50-704,109,719.84-287,204,348.98

Finding the Fourth Proportional to 510,208,277.50, 704,109,719.84 and 287,204,348.98

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Solution

The fourth proportional to 510,208,277.50, 704,109,719.84 and 287,204,348.98 is: 396,354,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,208,277.50 : 704,109,719.84 = 287,204,348.98 : x
  2. Step 2: Convert to fraction form
    510,208,277.50/704,109,719.84 = 287,204,348.98/x
  3. Step 3: Cross multiply
    510,208,277.50x = 704,109,719.84 × 287,204,348.98
  4. Step 4: Simplify right side
    510,208,277.50x = 202,223,373,697,137,408
  5. Step 5: Solve for x
    x = 202,223,373,697,137,408/510,208,277.50
  6. Step 6: Final answer
    x = 396,354,552.87

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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.