Home / 1,029,890,711.40-1,544,836,067.10-253,530,205.80

Finding the Fourth Proportional to 1,029,890,711.40, 1,544,836,067.10 and 253,530,205.80

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Solution

The fourth proportional to 1,029,890,711.40, 1,544,836,067.10 and 253,530,205.80 is: 380,295,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,890,711.40 : 1,544,836,067.10 = 253,530,205.80 : x
  2. Step 2: Convert to fraction form
    1,029,890,711.40/1,544,836,067.10 = 253,530,205.80/x
  3. Step 3: Cross multiply
    1,029,890,711.40x = 1,544,836,067.10 × 253,530,205.80
  4. Step 4: Simplify right side
    1,029,890,711.40x = 391,662,606,019,125,632
  5. Step 5: Solve for x
    x = 391,662,606,019,125,632/1,029,890,711.40
  6. Step 6: Final answer
    x = 380,295,308.70

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Half scale
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Double scale
Find fourth proportional to 1,029,890,712.40, 1,544,836,068.60 and 253,530,206.80
Similar ratio
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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.