Home / 1,345,129,389.27-1,856,279,353.30-750,413,875.64

Finding the Fourth Proportional to 1,345,129,389.27, 1,856,279,353.30 and 750,413,875.64

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Solution

The fourth proportional to 1,345,129,389.27, 1,856,279,353.30 and 750,413,875.64 is: 1,035,571,592.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,129,389.27 : 1,856,279,353.30 = 750,413,875.64 : x
  2. Step 2: Convert to fraction form
    1,345,129,389.27/1,856,279,353.30 = 750,413,875.64/x
  3. Step 3: Cross multiply
    1,345,129,389.27x = 1,856,279,353.30 × 750,413,875.64
  4. Step 4: Simplify right side
    1,345,129,389.27x = 1,392,977,783,773,485,824
  5. Step 5: Solve for x
    x = 1,392,977,783,773,485,824/1,345,129,389.27
  6. Step 6: Final answer
    x = 1,035,571,592.51

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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.