Home / 826,871,004.92-1,240,241,421.98-360,521,423.48

Finding the Fourth Proportional to 826,871,004.92, 1,240,241,421.98 and 360,521,423.48

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Solution

The fourth proportional to 826,871,004.92, 1,240,241,421.98 and 360,521,423.48 is: 540,753,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,871,004.92 : 1,240,241,421.98 = 360,521,423.48 : x
  2. Step 2: Convert to fraction form
    826,871,004.92/1,240,241,421.98 = 360,521,423.48/x
  3. Step 3: Cross multiply
    826,871,004.92x = 1,240,241,421.98 × 360,521,423.48
  4. Step 4: Simplify right side
    826,871,004.92x = 447,133,602,905,789,120
  5. Step 5: Solve for x
    x = 447,133,602,905,789,120/826,871,004.92
  6. Step 6: Final answer
    x = 540,753,757.54

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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.