Home / 1,107,184,637.60-1,659,643,215.60-646,885,872.80

Finding the Fourth Proportional to 1,107,184,637.60, 1,659,643,215.60 and 646,885,872.80

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Solution

The fourth proportional to 1,107,184,637.60, 1,659,643,215.60 and 646,885,872.80 is: 969,666,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,184,637.60 : 1,659,643,215.60 = 646,885,872.80 : x
  2. Step 2: Convert to fraction form
    1,107,184,637.60/1,659,643,215.60 = 646,885,872.80/x
  3. Step 3: Cross multiply
    1,107,184,637.60x = 1,659,643,215.60 × 646,885,872.80
  4. Step 4: Simplify right side
    1,107,184,637.60x = 1,073,599,750,060,004,480
  5. Step 5: Solve for x
    x = 1,073,599,750,060,004,480/1,107,184,637.60
  6. Step 6: Final answer
    x = 969,666,407.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.