Home / 769,669,535.66-1,154,387,653.16-209,475,018.39

Finding the Fourth Proportional to 769,669,535.66, 1,154,387,653.16 and 209,475,018.39

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Solution

The fourth proportional to 769,669,535.66, 1,154,387,653.16 and 209,475,018.39 is: 314,180,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,669,535.66 : 1,154,387,653.16 = 209,475,018.39 : x
  2. Step 2: Convert to fraction form
    769,669,535.66/1,154,387,653.16 = 209,475,018.39/x
  3. Step 3: Cross multiply
    769,669,535.66x = 1,154,387,653.16 × 209,475,018.39
  4. Step 4: Simplify right side
    769,669,535.66x = 241,815,374,873,832,544
  5. Step 5: Solve for x
    x = 241,815,374,873,832,544/769,669,535.66
  6. Step 6: Final answer
    x = 314,180,779.77

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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.