Home / 651,619,383.40-977,452,694.70-191,604,053.80

Finding the Fourth Proportional to 651,619,383.40, 977,452,694.70 and 191,604,053.80

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Solution

The fourth proportional to 651,619,383.40, 977,452,694.70 and 191,604,053.80 is: 287,413,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,619,383.40 : 977,452,694.70 = 191,604,053.80 : x
  2. Step 2: Convert to fraction form
    651,619,383.40/977,452,694.70 = 191,604,053.80/x
  3. Step 3: Cross multiply
    651,619,383.40x = 977,452,694.70 × 191,604,053.80
  4. Step 4: Simplify right side
    651,619,383.40x = 187,283,898,702,253,792
  5. Step 5: Solve for x
    x = 187,283,898,702,253,792/651,619,383.40
  6. Step 6: Final answer
    x = 287,413,025.88

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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.