Home / 1,214,788,320.41-1,676,399,535.78-657,858,622.73

Finding the Fourth Proportional to 1,214,788,320.41, 1,676,399,535.78 and 657,858,622.73

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Solution

The fourth proportional to 1,214,788,320.41, 1,676,399,535.78 and 657,858,622.73 is: 907,840,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,788,320.41 : 1,676,399,535.78 = 657,858,622.73 : x
  2. Step 2: Convert to fraction form
    1,214,788,320.41/1,676,399,535.78 = 657,858,622.73/x
  3. Step 3: Cross multiply
    1,214,788,320.41x = 1,676,399,535.78 × 657,858,622.73
  4. Step 4: Simplify right side
    1,214,788,320.41x = 1,102,833,889,753,442,176
  5. Step 5: Solve for x
    x = 1,102,833,889,753,442,176/1,214,788,320.41
  6. Step 6: Final answer
    x = 907,840,379.45

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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.