Home / 1,301,383,138.77-1,952,070,450.33-472,335,676.31

Finding the Fourth Proportional to 1,301,383,138.77, 1,952,070,450.33 and 472,335,676.31

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Solution

The fourth proportional to 1,301,383,138.77, 1,952,070,450.33 and 472,335,676.31 is: 708,501,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,383,138.77 : 1,952,070,450.33 = 472,335,676.31 : x
  2. Step 2: Convert to fraction form
    1,301,383,138.77/1,952,070,450.33 = 472,335,676.31/x
  3. Step 3: Cross multiply
    1,301,383,138.77x = 1,952,070,450.33 × 472,335,676.31
  4. Step 4: Simplify right side
    1,301,383,138.77x = 922,032,516,368,061,952
  5. Step 5: Solve for x
    x = 922,032,516,368,061,952/1,301,383,138.77
  6. Step 6: Final answer
    x = 708,501,969.10

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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.