Home / 1,436,243,910.40-2,154,187,555.84-387,064,193.79

Finding the Fourth Proportional to 1,436,243,910.40, 2,154,187,555.84 and 387,064,193.79

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Solution

The fourth proportional to 1,436,243,910.40, 2,154,187,555.84 and 387,064,193.79 is: 580,548,236.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,243,910.40 : 2,154,187,555.84 = 387,064,193.79 : x
  2. Step 2: Convert to fraction form
    1,436,243,910.40/2,154,187,555.84 = 387,064,193.79/x
  3. Step 3: Cross multiply
    1,436,243,910.40x = 2,154,187,555.84 × 387,064,193.79
  4. Step 4: Simplify right side
    1,436,243,910.40x = 833,808,869,572,692,608
  5. Step 5: Solve for x
    x = 833,808,869,572,692,608/1,436,243,910.40
  6. Step 6: Final answer
    x = 580,548,236.64

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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.