Home / 520,434,435.83-718,192,821.06-297,413,563.53

Finding the Fourth Proportional to 520,434,435.83, 718,192,821.06 and 297,413,563.53

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Solution

The fourth proportional to 520,434,435.83, 718,192,821.06 and 297,413,563.53 is: 410,426,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,434,435.83 : 718,192,821.06 = 297,413,563.53 : x
  2. Step 2: Convert to fraction form
    520,434,435.83/718,192,821.06 = 297,413,563.53/x
  3. Step 3: Cross multiply
    520,434,435.83x = 718,192,821.06 × 297,413,563.53
  4. Step 4: Simplify right side
    520,434,435.83x = 213,600,286,213,118,208
  5. Step 5: Solve for x
    x = 213,600,286,213,118,208/520,434,435.83
  6. Step 6: Final answer
    x = 410,426,888.59

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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.