Home / 962,369,568.72-1,328,070,987.72-522,336,511.44

Finding the Fourth Proportional to 962,369,568.72, 1,328,070,987.72 and 522,336,511.44

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Solution

The fourth proportional to 962,369,568.72, 1,328,070,987.72 and 522,336,511.44 is: 720,824,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,369,568.72 : 1,328,070,987.72 = 522,336,511.44 : x
  2. Step 2: Convert to fraction form
    962,369,568.72/1,328,070,987.72 = 522,336,511.44/x
  3. Step 3: Cross multiply
    962,369,568.72x = 1,328,070,987.72 × 522,336,511.44
  4. Step 4: Simplify right side
    962,369,568.72x = 693,699,966,670,339,840
  5. Step 5: Solve for x
    x = 693,699,966,670,339,840/962,369,568.72
  6. Step 6: Final answer
    x = 720,824,919.26

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1.5x scale

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.