Home / 1,172,493,653.43-1,758,797,040.06-385,529,882.93

Finding the Fourth Proportional to 1,172,493,653.43, 1,758,797,040.06 and 385,529,882.93

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Solution

The fourth proportional to 1,172,493,653.43, 1,758,797,040.06 and 385,529,882.93 is: 578,313,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,493,653.43 : 1,758,797,040.06 = 385,529,882.93 : x
  2. Step 2: Convert to fraction form
    1,172,493,653.43/1,758,797,040.06 = 385,529,882.93/x
  3. Step 3: Cross multiply
    1,172,493,653.43x = 1,758,797,040.06 × 385,529,882.93
  4. Step 4: Simplify right side
    1,172,493,653.43x = 678,068,816,943,168,384
  5. Step 5: Solve for x
    x = 678,068,816,943,168,384/1,172,493,653.43
  6. Step 6: Final answer
    x = 578,313,421.96

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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.