Home / 79,638,309,994.62-109,900,911,880.12-43,016,425,159.31

Finding the Fourth Proportional to 79,638,309,994.62, 109,900,911,880.12 and 43,016,425,159.31

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Solution

The fourth proportional to 79,638,309,994.62, 109,900,911,880.12 and 43,016,425,159.31 is: 59,362,690,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,638,309,994.62 : 109,900,911,880.12 = 43,016,425,159.31 : x
  2. Step 2: Convert to fraction form
    79,638,309,994.62/109,900,911,880.12 = 43,016,425,159.31/x
  3. Step 3: Cross multiply
    79,638,309,994.62x = 109,900,911,880.12 × 43,016,425,159.31
  4. Step 4: Simplify right side
    79,638,309,994.62x = 4,727,544,350,830,555,561,984
  5. Step 5: Solve for x
    x = 4,727,544,350,830,555,561,984/79,638,309,994.62
  6. Step 6: Final answer
    x = 59,362,690,533.61

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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.