Home / 758,228,719.80-1,137,343,079.70-620,479,212.60

Finding the Fourth Proportional to 758,228,719.80, 1,137,343,079.70 and 620,479,212.60

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Solution

The fourth proportional to 758,228,719.80, 1,137,343,079.70 and 620,479,212.60 is: 930,718,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,228,719.80 : 1,137,343,079.70 = 620,479,212.60 : x
  2. Step 2: Convert to fraction form
    758,228,719.80/1,137,343,079.70 = 620,479,212.60/x
  3. Step 3: Cross multiply
    758,228,719.80x = 1,137,343,079.70 × 620,479,212.60
  4. Step 4: Simplify right side
    758,228,719.80x = 705,697,738,548,315,136
  5. Step 5: Solve for x
    x = 705,697,738,548,315,136/758,228,719.80
  6. Step 6: Final answer
    x = 930,718,818.90

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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.