Home / 715,109,916.35-1,072,086,018.95-223,570,170.92

Finding the Fourth Proportional to 715,109,916.35, 1,072,086,018.95 and 223,570,170.92

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Solution

The fourth proportional to 715,109,916.35, 1,072,086,018.95 and 223,570,170.92 is: 335,174,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,109,916.35 : 1,072,086,018.95 = 223,570,170.92 : x
  2. Step 2: Convert to fraction form
    715,109,916.35/1,072,086,018.95 = 223,570,170.92/x
  3. Step 3: Cross multiply
    715,109,916.35x = 1,072,086,018.95 × 223,570,170.92
  4. Step 4: Simplify right side
    715,109,916.35x = 239,686,454,500,833,024
  5. Step 5: Solve for x
    x = 239,686,454,500,833,024/715,109,916.35
  6. Step 6: Final answer
    x = 335,174,284.43

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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.