Home / 510,984,562.32-705,158,003.16-290,967,988.32

Finding the Fourth Proportional to 510,984,562.32, 705,158,003.16 and 290,967,988.32

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Solution

The fourth proportional to 510,984,562.32, 705,158,003.16 and 290,967,988.32 is: 401,535,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,984,562.32 : 705,158,003.16 = 290,967,988.32 : x
  2. Step 2: Convert to fraction form
    510,984,562.32/705,158,003.16 = 290,967,988.32/x
  3. Step 3: Cross multiply
    510,984,562.32x = 705,158,003.16 × 290,967,988.32
  4. Step 4: Simplify right side
    510,984,562.32x = 205,178,405,627,213,376
  5. Step 5: Solve for x
    x = 205,178,405,627,213,376/510,984,562.32
  6. Step 6: Final answer
    x = 401,535,429.36

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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.