Home / 1,107,184,432.60-1,659,642,908.10-646,885,667.80

Finding the Fourth Proportional to 1,107,184,432.60, 1,659,642,908.10 and 646,885,667.80

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Solution

The fourth proportional to 1,107,184,432.60, 1,659,642,908.10 and 646,885,667.80 is: 969,666,100.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,184,432.60 : 1,659,642,908.10 = 646,885,667.80 : x
  2. Step 2: Convert to fraction form
    1,107,184,432.60/1,659,642,908.10 = 646,885,667.80/x
  3. Step 3: Cross multiply
    1,107,184,432.60x = 1,659,642,908.10 × 646,885,667.80
  4. Step 4: Simplify right side
    1,107,184,432.60x = 1,073,599,210,915,802,368
  5. Step 5: Solve for x
    x = 1,073,599,210,915,802,368/1,107,184,432.60
  6. Step 6: Final answer
    x = 969,666,100.16

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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.