Home / 563,235,514.40-777,250,281.60-312,339,267.06

Finding the Fourth Proportional to 563,235,514.40, 777,250,281.60 and 312,339,267.06

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Solution

The fourth proportional to 563,235,514.40, 777,250,281.60 and 312,339,267.06 is: 431,020,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,235,514.40 : 777,250,281.60 = 312,339,267.06 : x
  2. Step 2: Convert to fraction form
    563,235,514.40/777,250,281.60 = 312,339,267.06/x
  3. Step 3: Cross multiply
    563,235,514.40x = 777,250,281.60 × 312,339,267.06
  4. Step 4: Simplify right side
    563,235,514.40x = 242,765,783,277,122,624
  5. Step 5: Solve for x
    x = 242,765,783,277,122,624/563,235,514.40
  6. Step 6: Final answer
    x = 431,020,021.06

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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.