Home / 79,638,309,995.81-109,900,911,881.76-43,016,425,160.50

Finding the Fourth Proportional to 79,638,309,995.81, 109,900,911,881.76 and 43,016,425,160.50

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Solution

The fourth proportional to 79,638,309,995.81, 109,900,911,881.76 and 43,016,425,160.50 is: 59,362,690,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,638,309,995.81 : 109,900,911,881.76 = 43,016,425,160.50 : x
  2. Step 2: Convert to fraction form
    79,638,309,995.81/109,900,911,881.76 = 43,016,425,160.50/x
  3. Step 3: Cross multiply
    79,638,309,995.81x = 109,900,911,881.76 × 43,016,425,160.50
  4. Step 4: Simplify right side
    79,638,309,995.81x = 4,727,544,351,032,873,058,304
  5. Step 5: Solve for x
    x = 4,727,544,351,032,873,058,304/79,638,309,995.81
  6. Step 6: Final answer
    x = 59,362,690,535.27

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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.