Home / 1,311,659,879.82-1,967,834,404.81-471,387,461.49

Finding the Fourth Proportional to 1,311,659,879.82, 1,967,834,404.81 and 471,387,461.49

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Solution

The fourth proportional to 1,311,659,879.82, 1,967,834,404.81 and 471,387,461.49 is: 707,205,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,659,879.82 : 1,967,834,404.81 = 471,387,461.49 : x
  2. Step 2: Convert to fraction form
    1,311,659,879.82/1,967,834,404.81 = 471,387,461.49/x
  3. Step 3: Cross multiply
    1,311,659,879.82x = 1,967,834,404.81 × 471,387,461.49
  4. Step 4: Simplify right side
    1,311,659,879.82x = 927,612,464,716,636,544
  5. Step 5: Solve for x
    x = 927,612,464,716,636,544/1,311,659,879.82
  6. Step 6: Final answer
    x = 707,205,030.05

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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.