Home / 510,980,944.32-705,153,010.32-290,964,370.32

Finding the Fourth Proportional to 510,980,944.32, 705,153,010.32 and 290,964,370.32

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Solution

The fourth proportional to 510,980,944.32, 705,153,010.32 and 290,964,370.32 is: 401,530,436.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,980,944.32 : 705,153,010.32 = 290,964,370.32 : x
  2. Step 2: Convert to fraction form
    510,980,944.32/705,153,010.32 = 290,964,370.32/x
  3. Step 3: Cross multiply
    510,980,944.32x = 705,153,010.32 × 290,964,370.32
  4. Step 4: Simplify right side
    510,980,944.32x = 205,174,401,627,011,264
  5. Step 5: Solve for x
    x = 205,174,401,627,011,264/510,980,944.32
  6. Step 6: Final answer
    x = 401,530,436.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.