Home / 1,123,844,811.80-1,685,767,217.70-1,106,626,123.40

Finding the Fourth Proportional to 1,123,844,811.80, 1,685,767,217.70 and 1,106,626,123.40

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Solution

The fourth proportional to 1,123,844,811.80, 1,685,767,217.70 and 1,106,626,123.40 is: 1,659,939,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,844,811.80 : 1,685,767,217.70 = 1,106,626,123.40 : x
  2. Step 2: Convert to fraction form
    1,123,844,811.80/1,685,767,217.70 = 1,106,626,123.40/x
  3. Step 3: Cross multiply
    1,123,844,811.80x = 1,685,767,217.70 × 1,106,626,123.40
  4. Step 4: Simplify right side
    1,123,844,811.80x = 1,865,514,041,078,155,008
  5. Step 5: Solve for x
    x = 1,865,514,041,078,155,008/1,123,844,811.80
  6. Step 6: Final answer
    x = 1,659,939,185.10

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Double scale
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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.