Home / 1,383,654,844.40-1,909,486,515.48-757,149,678.32

Finding the Fourth Proportional to 1,383,654,844.40, 1,909,486,515.48 and 757,149,678.32

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Solution

The fourth proportional to 1,383,654,844.40, 1,909,486,515.48 and 757,149,678.32 is: 1,044,889,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,654,844.40 : 1,909,486,515.48 = 757,149,678.32 : x
  2. Step 2: Convert to fraction form
    1,383,654,844.40/1,909,486,515.48 = 757,149,678.32/x
  3. Step 3: Cross multiply
    1,383,654,844.40x = 1,909,486,515.48 × 757,149,678.32
  4. Step 4: Simplify right side
    1,383,654,844.40x = 1,445,767,100,952,059,904
  5. Step 5: Solve for x
    x = 1,445,767,100,952,059,904/1,383,654,844.40
  6. Step 6: Final answer
    x = 1,044,889,993.20

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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.