Home / 2,742,767,278.74-3,784,998,041.19-1,489,713,102.63

Finding the Fourth Proportional to 2,742,767,278.74, 3,784,998,041.19 and 1,489,713,102.63

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Solution

The fourth proportional to 2,742,767,278.74, 3,784,998,041.19 and 1,489,713,102.63 is: 2,055,792,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,767,278.74 : 3,784,998,041.19 = 1,489,713,102.63 : x
  2. Step 2: Convert to fraction form
    2,742,767,278.74/3,784,998,041.19 = 1,489,713,102.63/x
  3. Step 3: Cross multiply
    2,742,767,278.74x = 3,784,998,041.19 × 1,489,713,102.63
  4. Step 4: Simplify right side
    2,742,767,278.74x = 5,638,561,175,389,628,416
  5. Step 5: Solve for x
    x = 5,638,561,175,389,628,416/2,742,767,278.74
  6. Step 6: Final answer
    x = 2,055,792,782.38

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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.