Home / 1,172,673,300.88-1,618,282,895.66-636,820,281.94

Finding the Fourth Proportional to 1,172,673,300.88, 1,618,282,895.66 and 636,820,281.94

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Solution

The fourth proportional to 1,172,673,300.88, 1,618,282,895.66 and 636,820,281.94 is: 878,808,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,673,300.88 : 1,618,282,895.66 = 636,820,281.94 : x
  2. Step 2: Convert to fraction form
    1,172,673,300.88/1,618,282,895.66 = 636,820,281.94/x
  3. Step 3: Cross multiply
    1,172,673,300.88x = 1,618,282,895.66 × 636,820,281.94
  4. Step 4: Simplify right side
    1,172,673,300.88x = 1,030,555,369,872,880,896
  5. Step 5: Solve for x
    x = 1,030,555,369,872,880,896/1,172,673,300.88
  6. Step 6: Final answer
    x = 878,808,589.83

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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.