Home / 539,047,811.78-743,886,476.27-291,529,166.03

Finding the Fourth Proportional to 539,047,811.78, 743,886,476.27 and 291,529,166.03

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Solution

The fourth proportional to 539,047,811.78, 743,886,476.27 and 291,529,166.03 is: 402,310,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,047,811.78 : 743,886,476.27 = 291,529,166.03 : x
  2. Step 2: Convert to fraction form
    539,047,811.78/743,886,476.27 = 291,529,166.03/x
  3. Step 3: Cross multiply
    539,047,811.78x = 743,886,476.27 × 291,529,166.03
  4. Step 4: Simplify right side
    539,047,811.78x = 216,864,604,049,179,424
  5. Step 5: Solve for x
    x = 216,864,604,049,179,424/539,047,811.78
  6. Step 6: Final answer
    x = 402,310,517.38

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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.