Home / 79,638,310,006.32-109,900,911,896.28-43,016,425,171.02

Finding the Fourth Proportional to 79,638,310,006.32, 109,900,911,896.28 and 43,016,425,171.02

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Solution

The fourth proportional to 79,638,310,006.32, 109,900,911,896.28 and 43,016,425,171.02 is: 59,362,690,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,638,310,006.32 : 109,900,911,896.28 = 43,016,425,171.02 : x
  2. Step 2: Convert to fraction form
    79,638,310,006.32/109,900,911,896.28 = 43,016,425,171.02/x
  3. Step 3: Cross multiply
    79,638,310,006.32x = 109,900,911,896.28 × 43,016,425,171.02
  4. Step 4: Simplify right side
    79,638,310,006.32x = 4,727,544,352,813,189,431,296
  5. Step 5: Solve for x
    x = 4,727,544,352,813,189,431,296/79,638,310,006.32
  6. Step 6: Final answer
    x = 59,362,690,549.79

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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.