Home / 520,021,505.10-780,032,257.65-174,860,417.10

Finding the Fourth Proportional to 520,021,505.10, 780,032,257.65 and 174,860,417.10

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Solution

The fourth proportional to 520,021,505.10, 780,032,257.65 and 174,860,417.10 is: 262,290,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,021,505.10 : 780,032,257.65 = 174,860,417.10 : x
  2. Step 2: Convert to fraction form
    520,021,505.10/780,032,257.65 = 174,860,417.10/x
  3. Step 3: Cross multiply
    520,021,505.10x = 780,032,257.65 × 174,860,417.10
  4. Step 4: Simplify right side
    520,021,505.10x = 136,396,765,924,133,664
  5. Step 5: Solve for x
    x = 136,396,765,924,133,664/520,021,505.10
  6. Step 6: Final answer
    x = 262,290,625.65

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Similar ratio
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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.