Home / 736,430,940,873.81-1,016,127,305,486.10-411,220,194,222.78

Finding the Fourth Proportional to 736,430,940,873.81, 1,016,127,305,486.10 and 411,220,194,222.78

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Solution

The fourth proportional to 736,430,940,873.81, 1,016,127,305,486.10 and 411,220,194,222.78 is: 567,401,564,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,430,940,873.81 : 1,016,127,305,486.10 = 411,220,194,222.78 : x
  2. Step 2: Convert to fraction form
    736,430,940,873.81/1,016,127,305,486.10 = 411,220,194,222.78/x
  3. Step 3: Cross multiply
    736,430,940,873.81x = 1,016,127,305,486.10 × 411,220,194,222.78
  4. Step 4: Simplify right side
    736,430,940,873.81x = 417,852,067,917,064,178,761,728
  5. Step 5: Solve for x
    x = 417,852,067,917,064,178,761,728/736,430,940,873.81
  6. Step 6: Final answer
    x = 567,401,564,390.09

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.