Home / 1,303,042,561,474.90-1,798,199,028,351.50-717,092,407,123.56

Finding the Fourth Proportional to 1,303,042,561,474.90, 1,798,199,028,351.50 and 717,092,407,123.56

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Solution

The fourth proportional to 1,303,042,561,474.90, 1,798,199,028,351.50 and 717,092,407,123.56 is: 989,587,683,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,042,561,474.90 : 1,798,199,028,351.50 = 717,092,407,123.56 : x
  2. Step 2: Convert to fraction form
    1,303,042,561,474.90/1,798,199,028,351.50 = 717,092,407,123.56/x
  3. Step 3: Cross multiply
    1,303,042,561,474.90x = 1,798,199,028,351.50 × 717,092,407,123.56
  4. Step 4: Simplify right side
    1,303,042,561,474.90x = 1,289,474,869,727,823,940,026,368
  5. Step 5: Solve for x
    x = 1,289,474,869,727,823,940,026,368/1,303,042,561,474.90
  6. Step 6: Final answer
    x = 989,587,683,358.77

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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.