Home / 875,099,036.70-1,311,827,409.45-330,206,723.10

Finding the Fourth Proportional to 875,099,036.70, 1,311,827,409.45 and 330,206,723.10

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Solution

The fourth proportional to 875,099,036.70, 1,311,827,409.45 and 330,206,723.10 is: 495,000,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,099,036.70 : 1,311,827,409.45 = 330,206,723.10 : x
  2. Step 2: Convert to fraction form
    875,099,036.70/1,311,827,409.45 = 330,206,723.10/x
  3. Step 3: Cross multiply
    875,099,036.70x = 1,311,827,409.45 × 330,206,723.10
  4. Step 4: Simplify right side
    875,099,036.70x = 433,174,230,147,246,528
  5. Step 5: Solve for x
    x = 433,174,230,147,246,528/875,099,036.70
  6. Step 6: Final answer
    x = 495,000,236.52

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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.