Home / 874,695,425.22-1,312,373,578.68-525,185,196.93

Finding the Fourth Proportional to 874,695,425.22, 1,312,373,578.68 and 525,185,196.93

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Solution

The fourth proportional to 874,695,425.22, 1,312,373,578.68 and 525,185,196.93 is: 787,976,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,695,425.22 : 1,312,373,578.68 = 525,185,196.93 : x
  2. Step 2: Convert to fraction form
    874,695,425.22/1,312,373,578.68 = 525,185,196.93/x
  3. Step 3: Cross multiply
    874,695,425.22x = 1,312,373,578.68 × 525,185,196.93
  4. Step 4: Simplify right side
    874,695,425.22x = 689,239,176,364,784,640
  5. Step 5: Solve for x
    x = 689,239,176,364,784,640/874,695,425.22
  6. Step 6: Final answer
    x = 787,976,198.91

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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.