Home / 1,522,592,010.11-2,101,176,973.94-862,542,288.11

Finding the Fourth Proportional to 1,522,592,010.11, 2,101,176,973.94 and 862,542,288.11

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Solution

The fourth proportional to 1,522,592,010.11, 2,101,176,973.94 and 862,542,288.11 is: 1,190,308,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,592,010.11 : 2,101,176,973.94 = 862,542,288.11 : x
  2. Step 2: Convert to fraction form
    1,522,592,010.11/2,101,176,973.94 = 862,542,288.11/x
  3. Step 3: Cross multiply
    1,522,592,010.11x = 2,101,176,973.94 × 862,542,288.11
  4. Step 4: Simplify right side
    1,522,592,010.11x = 1,812,353,994,811,434,752
  5. Step 5: Solve for x
    x = 1,812,353,994,811,434,752/1,522,592,010.11
  6. Step 6: Final answer
    x = 1,190,308,357.58

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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.