Home / 911,270,291.95-1,366,895,473.32-221,177,545.91

Finding the Fourth Proportional to 911,270,291.95, 1,366,895,473.32 and 221,177,545.91

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Solution

The fourth proportional to 911,270,291.95, 1,366,895,473.32 and 221,177,545.91 is: 331,763,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,270,291.95 : 1,366,895,473.32 = 221,177,545.91 : x
  2. Step 2: Convert to fraction form
    911,270,291.95/1,366,895,473.32 = 221,177,545.91/x
  3. Step 3: Cross multiply
    911,270,291.95x = 1,366,895,473.32 × 221,177,545.91
  4. Step 4: Simplify right side
    911,270,291.95x = 302,326,586,311,233,024
  5. Step 5: Solve for x
    x = 302,326,586,311,233,024/911,270,291.95
  6. Step 6: Final answer
    x = 331,763,900.33

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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.