Home / 2,070,668,393.28-2,857,592,890.08-1,224,620,964.36

Finding the Fourth Proportional to 2,070,668,393.28, 2,857,592,890.08 and 1,224,620,964.36

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Solution

The fourth proportional to 2,070,668,393.28, 2,857,592,890.08 and 1,224,620,964.36 is: 1,690,018,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,668,393.28 : 2,857,592,890.08 = 1,224,620,964.36 : x
  2. Step 2: Convert to fraction form
    2,070,668,393.28/2,857,592,890.08 = 1,224,620,964.36/x
  3. Step 3: Cross multiply
    2,070,668,393.28x = 2,857,592,890.08 × 1,224,620,964.36
  4. Step 4: Simplify right side
    2,070,668,393.28x = 3,499,468,160,798,048,768
  5. Step 5: Solve for x
    x = 3,499,468,160,798,048,768/2,070,668,393.28
  6. Step 6: Final answer
    x = 1,690,018,629.81

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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.