Home / 1,248,823,180,072.30-1,871,912,676,652.90-420,062,783,721.11

Finding the Fourth Proportional to 1,248,823,180,072.30, 1,871,912,676,652.90 and 420,062,783,721.11

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Solution

The fourth proportional to 1,248,823,180,072.30, 1,871,912,676,652.90 and 420,062,783,721.11 is: 629,649,467,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,823,180,072.30 : 1,871,912,676,652.90 = 420,062,783,721.11 : x
  2. Step 2: Convert to fraction form
    1,248,823,180,072.30/1,871,912,676,652.90 = 420,062,783,721.11/x
  3. Step 3: Cross multiply
    1,248,823,180,072.30x = 1,871,912,676,652.90 × 420,062,783,721.11
  4. Step 4: Simplify right side
    1,248,823,180,072.30x = 786,320,849,837,651,186,941,952
  5. Step 5: Solve for x
    x = 786,320,849,837,651,186,941,952/1,248,823,180,072.30
  6. Step 6: Final answer
    x = 629,649,467,102.40

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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.