Home / 10,777,780,270.30-16,166,670,405.45-7,875,403,822.30

Finding the Fourth Proportional to 10,777,780,270.30, 16,166,670,405.45 and 7,875,403,822.30

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Solution

The fourth proportional to 10,777,780,270.30, 16,166,670,405.45 and 7,875,403,822.30 is: 11,813,105,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777,780,270.30 : 16,166,670,405.45 = 7,875,403,822.30 : x
  2. Step 2: Convert to fraction form
    10,777,780,270.30/16,166,670,405.45 = 7,875,403,822.30/x
  3. Step 3: Cross multiply
    10,777,780,270.30x = 16,166,670,405.45 × 7,875,403,822.30
  4. Step 4: Simplify right side
    10,777,780,270.30x = 127,319,057,904,945,233,920
  5. Step 5: Solve for x
    x = 127,319,057,904,945,233,920/10,777,780,270.30
  6. Step 6: Final answer
    x = 11,813,105,733.45

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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.