Home / 788,618,107.20-1,182,815,186.40-271,072,430.40

Finding the Fourth Proportional to 788,618,107.20, 1,182,815,186.40 and 271,072,430.40

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Solution

The fourth proportional to 788,618,107.20, 1,182,815,186.40 and 271,072,430.40 is: 406,570,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,618,107.20 : 1,182,815,186.40 = 271,072,430.40 : x
  2. Step 2: Convert to fraction form
    788,618,107.20/1,182,815,186.40 = 271,072,430.40/x
  3. Step 3: Cross multiply
    788,618,107.20x = 1,182,815,186.40 × 271,072,430.40
  4. Step 4: Simplify right side
    788,618,107.20x = 320,628,587,291,477,056
  5. Step 5: Solve for x
    x = 320,628,587,291,477,056/788,618,107.20
  6. Step 6: Final answer
    x = 406,570,156.54

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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.