Home / 10,777,775,668.80-16,166,663,503.20-7,875,399,220.80

Finding the Fourth Proportional to 10,777,775,668.80, 16,166,663,503.20 and 7,875,399,220.80

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Solution

The fourth proportional to 10,777,775,668.80, 16,166,663,503.20 and 7,875,399,220.80 is: 11,813,098,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777,775,668.80 : 16,166,663,503.20 = 7,875,399,220.80 : x
  2. Step 2: Convert to fraction form
    10,777,775,668.80/16,166,663,503.20 = 7,875,399,220.80/x
  3. Step 3: Cross multiply
    10,777,775,668.80x = 16,166,663,503.20 × 7,875,399,220.80
  4. Step 4: Simplify right side
    10,777,775,668.80x = 127,318,929,156,037,083,136
  5. Step 5: Solve for x
    x = 127,318,929,156,037,083,136/10,777,775,668.80
  6. Step 6: Final answer
    x = 11,813,098,831.20

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Double scale
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1.5x scale

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.