Home / 1,120,404,701.70-1,680,607,052.55-713,265,783.30

Finding the Fourth Proportional to 1,120,404,701.70, 1,680,607,052.55 and 713,265,783.30

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Solution

The fourth proportional to 1,120,404,701.70, 1,680,607,052.55 and 713,265,783.30 is: 1,069,898,674.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,404,701.70 : 1,680,607,052.55 = 713,265,783.30 : x
  2. Step 2: Convert to fraction form
    1,120,404,701.70/1,680,607,052.55 = 713,265,783.30/x
  3. Step 3: Cross multiply
    1,120,404,701.70x = 1,680,607,052.55 × 713,265,783.30
  4. Step 4: Simplify right side
    1,120,404,701.70x = 1,198,719,505,756,579,840
  5. Step 5: Solve for x
    x = 1,198,719,505,756,579,840/1,120,404,701.70
  6. Step 6: Final answer
    x = 1,069,898,674.95

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Double scale
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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.