Home / 873,863,844.86-1,205,949,883.03-477,412,512.50

Finding the Fourth Proportional to 873,863,844.86, 1,205,949,883.03 and 477,412,512.50

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Solution

The fourth proportional to 873,863,844.86, 1,205,949,883.03 and 477,412,512.50 is: 658,838,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,863,844.86 : 1,205,949,883.03 = 477,412,512.50 : x
  2. Step 2: Convert to fraction form
    873,863,844.86/1,205,949,883.03 = 477,412,512.50/x
  3. Step 3: Cross multiply
    873,863,844.86x = 1,205,949,883.03 × 477,412,512.50
  4. Step 4: Simplify right side
    873,863,844.86x = 575,735,563,608,254,720
  5. Step 5: Solve for x
    x = 575,735,563,608,254,720/873,863,844.86
  6. Step 6: Final answer
    x = 658,838,979.31

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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.