Home / 2,068,819,229.40-2,855,031,006.78-1,129,082,183.16

Finding the Fourth Proportional to 2,068,819,229.40, 2,855,031,006.78 and 1,129,082,183.16

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Solution

The fourth proportional to 2,068,819,229.40, 2,855,031,006.78 and 1,129,082,183.16 is: 1,558,166,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,819,229.40 : 2,855,031,006.78 = 1,129,082,183.16 : x
  2. Step 2: Convert to fraction form
    2,068,819,229.40/2,855,031,006.78 = 1,129,082,183.16/x
  3. Step 3: Cross multiply
    2,068,819,229.40x = 2,855,031,006.78 × 1,129,082,183.16
  4. Step 4: Simplify right side
    2,068,819,229.40x = 3,223,564,642,124,655,616
  5. Step 5: Solve for x
    x = 3,223,564,642,124,655,616/2,068,819,229.40
  6. Step 6: Final answer
    x = 1,558,166,415.08

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Double scale
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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.