Home / 1,172,673,297.88-1,618,282,891.52-636,820,278.93

Finding the Fourth Proportional to 1,172,673,297.88, 1,618,282,891.52 and 636,820,278.93

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Solution

The fourth proportional to 1,172,673,297.88, 1,618,282,891.52 and 636,820,278.93 is: 878,808,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,673,297.88 : 1,618,282,891.52 = 636,820,278.93 : x
  2. Step 2: Convert to fraction form
    1,172,673,297.88/1,618,282,891.52 = 636,820,278.93/x
  3. Step 3: Cross multiply
    1,172,673,297.88x = 1,618,282,891.52 × 636,820,278.93
  4. Step 4: Simplify right side
    1,172,673,297.88x = 1,030,555,362,365,413,248
  5. Step 5: Solve for x
    x = 1,030,555,362,365,413,248/1,172,673,297.88
  6. Step 6: Final answer
    x = 878,808,585.67

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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.