Home / 879,836,401.80-1,316,353,380.30-573,726,385.80

Finding the Fourth Proportional to 879,836,401.80, 1,316,353,380.30 and 573,726,385.80

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Solution

The fourth proportional to 879,836,401.80, 1,316,353,380.30 and 573,726,385.80 is: 858,371,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,836,401.80 : 1,316,353,380.30 = 573,726,385.80 : x
  2. Step 2: Convert to fraction form
    879,836,401.80/1,316,353,380.30 = 573,726,385.80/x
  3. Step 3: Cross multiply
    879,836,401.80x = 1,316,353,380.30 × 573,726,385.80
  4. Step 4: Simplify right side
    879,836,401.80x = 755,226,667,315,131,776
  5. Step 5: Solve for x
    x = 755,226,667,315,131,776/879,836,401.80
  6. Step 6: Final answer
    x = 858,371,699.30

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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.