Home / 54,727,631,971.28-75,532,061,096.72-30,643,205,684.48

Finding the Fourth Proportional to 54,727,631,971.28, 75,532,061,096.72 and 30,643,205,684.48

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Solution

The fourth proportional to 54,727,631,971.28, 75,532,061,096.72 and 30,643,205,684.48 is: 42,292,063,452.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,727,631,971.28 : 75,532,061,096.72 = 30,643,205,684.48 : x
  2. Step 2: Convert to fraction form
    54,727,631,971.28/75,532,061,096.72 = 30,643,205,684.48/x
  3. Step 3: Cross multiply
    54,727,631,971.28x = 75,532,061,096.72 × 30,643,205,684.48
  4. Step 4: Simplify right side
    54,727,631,971.28x = 2,314,544,483,959,500,963,840
  5. Step 5: Solve for x
    x = 2,314,544,483,959,500,963,840/54,727,631,971.28
  6. Step 6: Final answer
    x = 42,292,063,452.96

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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.