Home / 553,673,476.18-830,592,796.31-203,892,649.57

Finding the Fourth Proportional to 553,673,476.18, 830,592,796.31 and 203,892,649.57

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Solution

The fourth proportional to 553,673,476.18, 830,592,796.31 and 203,892,649.57 is: 305,869,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,673,476.18 : 830,592,796.31 = 203,892,649.57 : x
  2. Step 2: Convert to fraction form
    553,673,476.18/830,592,796.31 = 203,892,649.57/x
  3. Step 3: Cross multiply
    553,673,476.18x = 830,592,796.31 × 203,892,649.57
  4. Step 4: Simplify right side
    553,673,476.18x = 169,351,765,953,401,216
  5. Step 5: Solve for x
    x = 169,351,765,953,401,216/553,673,476.18
  6. Step 6: Final answer
    x = 305,869,385.55

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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.