Home / 525,842,433.90-788,763,650.85-137,664,513.90

Finding the Fourth Proportional to 525,842,433.90, 788,763,650.85 and 137,664,513.90

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Solution

The fourth proportional to 525,842,433.90, 788,763,650.85 and 137,664,513.90 is: 206,496,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,842,433.90 : 788,763,650.85 = 137,664,513.90 : x
  2. Step 2: Convert to fraction form
    525,842,433.90/788,763,650.85 = 137,664,513.90/x
  3. Step 3: Cross multiply
    525,842,433.90x = 788,763,650.85 × 137,664,513.90
  4. Step 4: Simplify right side
    525,842,433.90x = 108,584,764,576,254,576
  5. Step 5: Solve for x
    x = 108,584,764,576,254,576/525,842,433.90
  6. Step 6: Final answer
    x = 206,496,770.85

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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.