Home / 497,666,415.20-746,872,870.80-255,204,514.40

Finding the Fourth Proportional to 497,666,415.20, 746,872,870.80 and 255,204,514.40

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Solution

The fourth proportional to 497,666,415.20, 746,872,870.80 and 255,204,514.40 is: 382,998,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,666,415.20 : 746,872,870.80 = 255,204,514.40 : x
  2. Step 2: Convert to fraction form
    497,666,415.20/746,872,870.80 = 255,204,514.40/x
  3. Step 3: Cross multiply
    497,666,415.20x = 746,872,870.80 × 255,204,514.40
  4. Step 4: Simplify right side
    497,666,415.20x = 190,605,328,311,047,936
  5. Step 5: Solve for x
    x = 190,605,328,311,047,936/497,666,415.20
  6. Step 6: Final answer
    x = 382,998,174.06

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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.