Home / 1,133,760,046.30-1,700,640,069.45-859,646,715.10

Finding the Fourth Proportional to 1,133,760,046.30, 1,700,640,069.45 and 859,646,715.10

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Solution

The fourth proportional to 1,133,760,046.30, 1,700,640,069.45 and 859,646,715.10 is: 1,289,470,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,760,046.30 : 1,700,640,069.45 = 859,646,715.10 : x
  2. Step 2: Convert to fraction form
    1,133,760,046.30/1,700,640,069.45 = 859,646,715.10/x
  3. Step 3: Cross multiply
    1,133,760,046.30x = 1,700,640,069.45 × 859,646,715.10
  4. Step 4: Simplify right side
    1,133,760,046.30x = 1,461,949,649,270,128,384
  5. Step 5: Solve for x
    x = 1,461,949,649,270,128,384/1,133,760,046.30
  6. Step 6: Final answer
    x = 1,289,470,072.65

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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.