Home / 1,345,129,395.34-1,856,279,361.67-750,413,881.70

Finding the Fourth Proportional to 1,345,129,395.34, 1,856,279,361.67 and 750,413,881.70

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Solution

The fourth proportional to 1,345,129,395.34, 1,856,279,361.67 and 750,413,881.70 is: 1,035,571,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,129,395.34 : 1,856,279,361.67 = 750,413,881.70 : x
  2. Step 2: Convert to fraction form
    1,345,129,395.34/1,856,279,361.67 = 750,413,881.70/x
  3. Step 3: Cross multiply
    1,345,129,395.34x = 1,856,279,361.67 × 750,413,881.70
  4. Step 4: Simplify right side
    1,345,129,395.34x = 1,392,977,801,310,383,104
  5. Step 5: Solve for x
    x = 1,392,977,801,310,383,104/1,345,129,395.34
  6. Step 6: Final answer
    x = 1,035,571,600.87

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Double scale
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1.5x scale

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.