Home / 945,385,329.78-1,304,849,433.33-554,370,724.98

Finding the Fourth Proportional to 945,385,329.78, 1,304,849,433.33 and 554,370,724.98

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Solution

The fourth proportional to 945,385,329.78, 1,304,849,433.33 and 554,370,724.98 is: 765,159,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,385,329.78 : 1,304,849,433.33 = 554,370,724.98 : x
  2. Step 2: Convert to fraction form
    945,385,329.78/1,304,849,433.33 = 554,370,724.98/x
  3. Step 3: Cross multiply
    945,385,329.78x = 1,304,849,433.33 × 554,370,724.98
  4. Step 4: Simplify right side
    945,385,329.78x = 723,370,326,344,894,208
  5. Step 5: Solve for x
    x = 723,370,326,344,894,208/945,385,329.78
  6. Step 6: Final answer
    x = 765,159,246.24

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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.