Home / 970,777,650.90-1,456,166,476.35-561,623,193.30

Finding the Fourth Proportional to 970,777,650.90, 1,456,166,476.35 and 561,623,193.30

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Solution

The fourth proportional to 970,777,650.90, 1,456,166,476.35 and 561,623,193.30 is: 842,434,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,777,650.90 : 1,456,166,476.35 = 561,623,193.30 : x
  2. Step 2: Convert to fraction form
    970,777,650.90/1,456,166,476.35 = 561,623,193.30/x
  3. Step 3: Cross multiply
    970,777,650.90x = 1,456,166,476.35 × 561,623,193.30
  4. Step 4: Simplify right side
    970,777,650.90x = 817,816,866,424,095,744
  5. Step 5: Solve for x
    x = 817,816,866,424,095,744/970,777,650.90
  6. Step 6: Final answer
    x = 842,434,789.95

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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.