Home / 77,653,585,077.50-116,377,407,182.73-39,878,634,400.94

Finding the Fourth Proportional to 77,653,585,077.50, 116,377,407,182.73 and 39,878,634,400.94

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Solution

The fourth proportional to 77,653,585,077.50, 116,377,407,182.73 and 39,878,634,400.94 is: 59,765,071,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,653,585,077.50 : 116,377,407,182.73 = 39,878,634,400.94 : x
  2. Step 2: Convert to fraction form
    77,653,585,077.50/116,377,407,182.73 = 39,878,634,400.94/x
  3. Step 3: Cross multiply
    77,653,585,077.50x = 116,377,407,182.73 × 39,878,634,400.94
  4. Step 4: Simplify right side
    77,653,585,077.50x = 4,640,972,073,568,836,255,744
  5. Step 5: Solve for x
    x = 4,640,972,073,568,836,255,744/77,653,585,077.50
  6. Step 6: Final answer
    x = 59,765,071,618.23

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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.