Home / 291,255,019.60-436,882,529.40-262,029,701.20

Finding the Fourth Proportional to 291,255,019.60, 436,882,529.40 and 262,029,701.20

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Solution

The fourth proportional to 291,255,019.60, 436,882,529.40 and 262,029,701.20 is: 393,044,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,255,019.60 : 436,882,529.40 = 262,029,701.20 : x
  2. Step 2: Convert to fraction form
    291,255,019.60/436,882,529.40 = 262,029,701.20/x
  3. Step 3: Cross multiply
    291,255,019.60x = 436,882,529.40 × 262,029,701.20
  4. Step 4: Simplify right side
    291,255,019.60x = 114,476,198,638,182,208
  5. Step 5: Solve for x
    x = 114,476,198,638,182,208/291,255,019.60
  6. Step 6: Final answer
    x = 393,044,551.80

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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.