Home / 19,665,655,346.40-29,498,483,019.60-17,599,412,738.40

Finding the Fourth Proportional to 19,665,655,346.40, 29,498,483,019.60 and 17,599,412,738.40

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Solution

The fourth proportional to 19,665,655,346.40, 29,498,483,019.60 and 17,599,412,738.40 is: 26,399,119,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,665,655,346.40 : 29,498,483,019.60 = 17,599,412,738.40 : x
  2. Step 2: Convert to fraction form
    19,665,655,346.40/29,498,483,019.60 = 17,599,412,738.40/x
  3. Step 3: Cross multiply
    19,665,655,346.40x = 29,498,483,019.60 × 17,599,412,738.40
  4. Step 4: Simplify right side
    19,665,655,346.40x = 519,155,977,818,624,360,448
  5. Step 5: Solve for x
    x = 519,155,977,818,624,360,448/19,665,655,346.40
  6. Step 6: Final answer
    x = 26,399,119,107.60

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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.