Home / 397,029,762.10-595,544,643.15-287,340,339.70

Finding the Fourth Proportional to 397,029,762.10, 595,544,643.15 and 287,340,339.70

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Solution

The fourth proportional to 397,029,762.10, 595,544,643.15 and 287,340,339.70 is: 431,010,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,029,762.10 : 595,544,643.15 = 287,340,339.70 : x
  2. Step 2: Convert to fraction form
    397,029,762.10/595,544,643.15 = 287,340,339.70/x
  3. Step 3: Cross multiply
    397,029,762.10x = 595,544,643.15 × 287,340,339.70
  4. Step 4: Simplify right side
    397,029,762.10x = 171,124,000,069,236,256
  5. Step 5: Solve for x
    x = 171,124,000,069,236,256/397,029,762.10
  6. Step 6: Final answer
    x = 431,010,509.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.