Home / 970,777,650.40-1,456,166,475.60-561,623,192.80

Finding the Fourth Proportional to 970,777,650.40, 1,456,166,475.60 and 561,623,192.80

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Solution

The fourth proportional to 970,777,650.40, 1,456,166,475.60 and 561,623,192.80 is: 842,434,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,777,650.40 : 1,456,166,475.60 = 561,623,192.80 : x
  2. Step 2: Convert to fraction form
    970,777,650.40/1,456,166,475.60 = 561,623,192.80/x
  3. Step 3: Cross multiply
    970,777,650.40x = 1,456,166,475.60 × 561,623,192.80
  4. Step 4: Simplify right side
    970,777,650.40x = 817,816,865,274,795,136
  5. Step 5: Solve for x
    x = 817,816,865,274,795,136/970,777,650.40
  6. Step 6: Final answer
    x = 842,434,789.20

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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.