Home / 39,459,712,213.80-59,189,568,320.70-18,539,005,807.80

Finding the Fourth Proportional to 39,459,712,213.80, 59,189,568,320.70 and 18,539,005,807.80

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Solution

The fourth proportional to 39,459,712,213.80, 59,189,568,320.70 and 18,539,005,807.80 is: 27,808,508,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459,712,213.80 : 59,189,568,320.70 = 18,539,005,807.80 : x
  2. Step 2: Convert to fraction form
    39,459,712,213.80/59,189,568,320.70 = 18,539,005,807.80/x
  3. Step 3: Cross multiply
    39,459,712,213.80x = 59,189,568,320.70 × 18,539,005,807.80
  4. Step 4: Simplify right side
    39,459,712,213.80x = 1,097,315,750,858,632,069,120
  5. Step 5: Solve for x
    x = 1,097,315,750,858,632,069,120/39,459,712,213.80
  6. Step 6: Final answer
    x = 27,808,508,711.70

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Double scale
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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.