Home / 1,248,823,180,070.80-1,871,912,676,650.60-420,062,783,719.61

Finding the Fourth Proportional to 1,248,823,180,070.80, 1,871,912,676,650.60 and 420,062,783,719.61

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Solution

The fourth proportional to 1,248,823,180,070.80, 1,871,912,676,650.60 and 420,062,783,719.61 is: 629,649,467,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,823,180,070.80 : 1,871,912,676,650.60 = 420,062,783,719.61 : x
  2. Step 2: Convert to fraction form
    1,248,823,180,070.80/1,871,912,676,650.60 = 420,062,783,719.61/x
  3. Step 3: Cross multiply
    1,248,823,180,070.80x = 1,871,912,676,650.60 × 420,062,783,719.61
  4. Step 4: Simplify right side
    1,248,823,180,070.80x = 786,320,849,833,877,252,866,048
  5. Step 5: Solve for x
    x = 786,320,849,833,877,252,866,048/1,248,823,180,070.80
  6. Step 6: Final answer
    x = 629,649,467,100.14

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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.