Home / 369,975,071.28-510,439,905.24-211,091,053.56

Finding the Fourth Proportional to 369,975,071.28, 510,439,905.24 and 211,091,053.56

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Solution

The fourth proportional to 369,975,071.28, 510,439,905.24 and 211,091,053.56 is: 291,233,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,975,071.28 : 510,439,905.24 = 211,091,053.56 : x
  2. Step 2: Convert to fraction form
    369,975,071.28/510,439,905.24 = 211,091,053.56/x
  3. Step 3: Cross multiply
    369,975,071.28x = 510,439,905.24 × 211,091,053.56
  4. Step 4: Simplify right side
    369,975,071.28x = 107,749,297,376,178,160
  5. Step 5: Solve for x
    x = 107,749,297,376,178,160/369,975,071.28
  6. Step 6: Final answer
    x = 291,233,939.10

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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.