Home / 715,109,782.68-1,072,085,818.30-223,570,037.28

Finding the Fourth Proportional to 715,109,782.68, 1,072,085,818.30 and 223,570,037.28

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Solution

The fourth proportional to 715,109,782.68, 1,072,085,818.30 and 223,570,037.28 is: 335,174,083.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,109,782.68 : 1,072,085,818.30 = 223,570,037.28 : x
  2. Step 2: Convert to fraction form
    715,109,782.68/1,072,085,818.30 = 223,570,037.28/x
  3. Step 3: Cross multiply
    715,109,782.68x = 1,072,085,818.30 × 223,570,037.28
  4. Step 4: Simplify right side
    715,109,782.68x = 239,686,266,364,690,304
  5. Step 5: Solve for x
    x = 239,686,266,364,690,304/715,109,782.68
  6. Step 6: Final answer
    x = 335,174,083.99

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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.