Home / 369,872,008.32-510,431,619.12-211,098,946.56

Finding the Fourth Proportional to 369,872,008.32, 510,431,619.12 and 211,098,946.56

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Solution

The fourth proportional to 369,872,008.32, 510,431,619.12 and 211,098,946.56 is: 291,321,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,872,008.32 : 510,431,619.12 = 211,098,946.56 : x
  2. Step 2: Convert to fraction form
    369,872,008.32/510,431,619.12 = 211,098,946.56/x
  3. Step 3: Cross multiply
    369,872,008.32x = 510,431,619.12 × 211,098,946.56
  4. Step 4: Simplify right side
    369,872,008.32x = 107,751,577,087,147,152
  5. Step 5: Solve for x
    x = 107,751,577,087,147,152/369,872,008.32
  6. Step 6: Final answer
    x = 291,321,253.47

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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.