Home / 570,657,049.65-855,715,738.86-221,066,856.14

Finding the Fourth Proportional to 570,657,049.65, 855,715,738.86 and 221,066,856.14

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Solution

The fourth proportional to 570,657,049.65, 855,715,738.86 and 221,066,856.14 is: 331,495,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,657,049.65 : 855,715,738.86 = 221,066,856.14 : x
  2. Step 2: Convert to fraction form
    570,657,049.65/855,715,738.86 = 221,066,856.14/x
  3. Step 3: Cross multiply
    570,657,049.65x = 855,715,738.86 × 221,066,856.14
  4. Step 4: Simplify right side
    570,657,049.65x = 189,170,388,135,018,848
  5. Step 5: Solve for x
    x = 189,170,388,135,018,848/570,657,049.65
  6. Step 6: Final answer
    x = 331,495,752.57

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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.