Home / 18,639,594,743.86-25,722,466,905.65-10,181,415,284.02

Finding the Fourth Proportional to 18,639,594,743.86, 25,722,466,905.65 and 10,181,415,284.02

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Solution

The fourth proportional to 18,639,594,743.86, 25,722,466,905.65 and 10,181,415,284.02 is: 14,050,258,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639,594,743.86 : 25,722,466,905.65 = 10,181,415,284.02 : x
  2. Step 2: Convert to fraction form
    18,639,594,743.86/25,722,466,905.65 = 10,181,415,284.02/x
  3. Step 3: Cross multiply
    18,639,594,743.86x = 25,722,466,905.65 × 10,181,415,284.02
  4. Step 4: Simplify right side
    18,639,594,743.86x = 261,891,117,695,883,575,296
  5. Step 5: Solve for x
    x = 261,891,117,695,883,575,296/18,639,594,743.86
  6. Step 6: Final answer
    x = 14,050,258,135.69

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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.