Home / 1,305,025,388.74-1,800,974,011.06-803,523,490.64

Finding the Fourth Proportional to 1,305,025,388.74, 1,800,974,011.06 and 803,523,490.64

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Solution

The fourth proportional to 1,305,025,388.74, 1,800,974,011.06 and 803,523,490.64 is: 1,108,886,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,025,388.74 : 1,800,974,011.06 = 803,523,490.64 : x
  2. Step 2: Convert to fraction form
    1,305,025,388.74/1,800,974,011.06 = 803,523,490.64/x
  3. Step 3: Cross multiply
    1,305,025,388.74x = 1,800,974,011.06 × 803,523,490.64
  4. Step 4: Simplify right side
    1,305,025,388.74x = 1,447,124,923,918,853,120
  5. Step 5: Solve for x
    x = 1,447,124,923,918,853,120/1,305,025,388.74
  6. Step 6: Final answer
    x = 1,108,886,414.32

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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.