Home / 400,934,720.20-601,402,080.30-305,383,232.20

Finding the Fourth Proportional to 400,934,720.20, 601,402,080.30 and 305,383,232.20

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Solution

The fourth proportional to 400,934,720.20, 601,402,080.30 and 305,383,232.20 is: 458,074,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,934,720.20 : 601,402,080.30 = 305,383,232.20 : x
  2. Step 2: Convert to fraction form
    400,934,720.20/601,402,080.30 = 305,383,232.20/x
  3. Step 3: Cross multiply
    400,934,720.20x = 601,402,080.30 × 305,383,232.20
  4. Step 4: Simplify right side
    400,934,720.20x = 183,658,111,133,817,920
  5. Step 5: Solve for x
    x = 183,658,111,133,817,920/400,934,720.20
  6. Step 6: Final answer
    x = 458,074,848.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.