Home / 1,551,320,006.40-2,326,980,009.60-1,204,395,321.60

Finding the Fourth Proportional to 1,551,320,006.40, 2,326,980,009.60 and 1,204,395,321.60

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Solution

The fourth proportional to 1,551,320,006.40, 2,326,980,009.60 and 1,204,395,321.60 is: 1,806,592,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,320,006.40 : 2,326,980,009.60 = 1,204,395,321.60 : x
  2. Step 2: Convert to fraction form
    1,551,320,006.40/2,326,980,009.60 = 1,204,395,321.60/x
  3. Step 3: Cross multiply
    1,551,320,006.40x = 2,326,980,009.60 × 1,204,395,321.60
  4. Step 4: Simplify right side
    1,551,320,006.40x = 2,802,603,837,018,962,944
  5. Step 5: Solve for x
    x = 2,802,603,837,018,962,944/1,551,320,006.40
  6. Step 6: Final answer
    x = 1,806,592,982.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.