Home / 1,284,102,811.40-1,926,154,217.10-957,104,385.80

Finding the Fourth Proportional to 1,284,102,811.40, 1,926,154,217.10 and 957,104,385.80

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Solution

The fourth proportional to 1,284,102,811.40, 1,926,154,217.10 and 957,104,385.80 is: 1,435,656,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,102,811.40 : 1,926,154,217.10 = 957,104,385.80 : x
  2. Step 2: Convert to fraction form
    1,284,102,811.40/1,926,154,217.10 = 957,104,385.80/x
  3. Step 3: Cross multiply
    1,284,102,811.40x = 1,926,154,217.10 × 957,104,385.80
  4. Step 4: Simplify right side
    1,284,102,811.40x = 1,843,530,648,913,575,168
  5. Step 5: Solve for x
    x = 1,843,530,648,913,575,168/1,284,102,811.40
  6. Step 6: Final answer
    x = 1,435,656,578.70

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Double scale
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1.5x scale

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.