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Finding the Fourth Proportional to 869,033,652.59, 1,199,289,169.67 and 472,579,829.12

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Solution

The fourth proportional to 869,033,652.59, 1,199,289,169.67 and 472,579,829.12 is: 652,172,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,033,652.59 : 1,199,289,169.67 = 472,579,829.12 : x
  2. Step 2: Convert to fraction form
    869,033,652.59/1,199,289,169.67 = 472,579,829.12/x
  3. Step 3: Cross multiply
    869,033,652.59x = 1,199,289,169.67 × 472,579,829.12
  4. Step 4: Simplify right side
    869,033,652.59x = 566,759,870,868,750,592
  5. Step 5: Solve for x
    x = 566,759,870,868,750,592/869,033,652.59
  6. Step 6: Final answer
    x = 652,172,524.25

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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.