Home / 3,005,440,289.10-4,508,195,141.75-906,934,878.36

Finding the Fourth Proportional to 3,005,440,289.10, 4,508,195,141.75 and 906,934,878.36

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Solution

The fourth proportional to 3,005,440,289.10, 4,508,195,141.75 and 906,934,878.36 is: 1,360,412,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,440,289.10 : 4,508,195,141.75 = 906,934,878.36 : x
  2. Step 2: Convert to fraction form
    3,005,440,289.10/4,508,195,141.75 = 906,934,878.36/x
  3. Step 3: Cross multiply
    3,005,440,289.10x = 4,508,195,141.75 × 906,934,878.36
  4. Step 4: Simplify right side
    3,005,440,289.10x = 4,088,639,412,501,644,288
  5. Step 5: Solve for x
    x = 4,088,639,412,501,644,288/3,005,440,289.10
  6. Step 6: Final answer
    x = 1,360,412,791.21

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1.5x scale

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.