Home / 539,399,580.72-744,372,715.32-291,883,590.96

Finding the Fourth Proportional to 539,399,580.72, 744,372,715.32 and 291,883,590.96

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Solution

The fourth proportional to 539,399,580.72, 744,372,715.32 and 291,883,590.96 is: 402,800,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,399,580.72 : 744,372,715.32 = 291,883,590.96 : x
  2. Step 2: Convert to fraction form
    539,399,580.72/744,372,715.32 = 291,883,590.96/x
  3. Step 3: Cross multiply
    539,399,580.72x = 744,372,715.32 × 291,883,590.96
  4. Step 4: Simplify right side
    539,399,580.72x = 217,270,181,160,247,392
  5. Step 5: Solve for x
    x = 217,270,181,160,247,392/539,399,580.72
  6. Step 6: Final answer
    x = 402,800,055.70

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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.