Home / 945,096,919.80-1,304,233,985.71-521,710,827

Finding the Fourth Proportional to 945,096,919.80, 1,304,233,985.71 and 521,710,827

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Solution

The fourth proportional to 945,096,919.80, 1,304,233,985.71 and 521,710,827 is: 719,961,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,096,919.80 : 1,304,233,985.71 = 521,710,827 : x
  2. Step 2: Convert to fraction form
    945,096,919.80/1,304,233,985.71 = 521,710,827/x
  3. Step 3: Cross multiply
    945,096,919.80x = 1,304,233,985.71 × 521,710,827
  4. Step 4: Simplify right side
    945,096,919.80x = 680,432,991,286,270,336
  5. Step 5: Solve for x
    x = 680,432,991,286,270,336/945,096,919.80
  6. Step 6: Final answer
    x = 719,961,071.75

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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.