Home / 1,175,320,765,443.50-1,762,161,479,554.60-520,765,099,822.24

Finding the Fourth Proportional to 1,175,320,765,443.50, 1,762,161,479,554.60 and 520,765,099,822.24

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Solution

The fourth proportional to 1,175,320,765,443.50, 1,762,161,479,554.60 and 520,765,099,822.24 is: 780,784,468,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,320,765,443.50 : 1,762,161,479,554.60 = 520,765,099,822.24 : x
  2. Step 2: Convert to fraction form
    1,175,320,765,443.50/1,762,161,479,554.60 = 520,765,099,822.24/x
  3. Step 3: Cross multiply
    1,175,320,765,443.50x = 1,762,161,479,554.60 × 520,765,099,822.24
  4. Step 4: Simplify right side
    1,175,320,765,443.50x = 917,672,198,803,157,489,287,168
  5. Step 5: Solve for x
    x = 917,672,198,803,157,489,287,168/1,175,320,765,443.50
  6. Step 6: Final answer
    x = 780,784,468,193.14

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Double scale
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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.