Home / 506,464,560.07-698,994,496.03-291,841,449.63

Finding the Fourth Proportional to 506,464,560.07, 698,994,496.03 and 291,841,449.63

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Solution

The fourth proportional to 506,464,560.07, 698,994,496.03 and 291,841,449.63 is: 402,783,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,464,560.07 : 698,994,496.03 = 291,841,449.63 : x
  2. Step 2: Convert to fraction form
    506,464,560.07/698,994,496.03 = 291,841,449.63/x
  3. Step 3: Cross multiply
    506,464,560.07x = 698,994,496.03 × 291,841,449.63
  4. Step 4: Simplify right side
    506,464,560.07x = 203,995,567,007,868,064
  5. Step 5: Solve for x
    x = 203,995,567,007,868,064/506,464,560.07
  6. Step 6: Final answer
    x = 402,783,497.78

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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.