Home / 525,453,833.80-788,180,750.70-331,962,070.60

Finding the Fourth Proportional to 525,453,833.80, 788,180,750.70 and 331,962,070.60

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Solution

The fourth proportional to 525,453,833.80, 788,180,750.70 and 331,962,070.60 is: 497,943,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,453,833.80 : 788,180,750.70 = 331,962,070.60 : x
  2. Step 2: Convert to fraction form
    525,453,833.80/788,180,750.70 = 331,962,070.60/x
  3. Step 3: Cross multiply
    525,453,833.80x = 788,180,750.70 × 331,962,070.60
  4. Step 4: Simplify right side
    525,453,833.80x = 261,646,114,009,434,432
  5. Step 5: Solve for x
    x = 261,646,114,009,434,432/525,453,833.80
  6. Step 6: Final answer
    x = 497,943,105.90

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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.