Home / 79,565,123,108.32-109,799,311,324.86-43,436,155,530.40

Finding the Fourth Proportional to 79,565,123,108.32, 109,799,311,324.86 and 43,436,155,530.40

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Solution

The fourth proportional to 79,565,123,108.32, 109,799,311,324.86 and 43,436,155,530.40 is: 59,941,589,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565,123,108.32 : 109,799,311,324.86 = 43,436,155,530.40 : x
  2. Step 2: Convert to fraction form
    79,565,123,108.32/109,799,311,324.86 = 43,436,155,530.40/x
  3. Step 3: Cross multiply
    79,565,123,108.32x = 109,799,311,324.86 × 43,436,155,530.40
  4. Step 4: Simplify right side
    79,565,123,108.32x = 4,769,259,963,837,429,317,632
  5. Step 5: Solve for x
    x = 4,769,259,963,837,429,317,632/79,565,123,108.32
  6. Step 6: Final answer
    x = 59,941,589,700.61

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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.