Home / 945,096,922.05-1,304,233,988.81-521,710,829.25

Finding the Fourth Proportional to 945,096,922.05, 1,304,233,988.81 and 521,710,829.25

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Solution

The fourth proportional to 945,096,922.05, 1,304,233,988.81 and 521,710,829.25 is: 719,961,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,096,922.05 : 1,304,233,988.81 = 521,710,829.25 : x
  2. Step 2: Convert to fraction form
    945,096,922.05/1,304,233,988.81 = 521,710,829.25/x
  3. Step 3: Cross multiply
    945,096,922.05x = 1,304,233,988.81 × 521,710,829.25
  4. Step 4: Simplify right side
    945,096,922.05x = 680,432,995,838,100,352
  5. Step 5: Solve for x
    x = 680,432,995,838,100,352/945,096,922.05
  6. Step 6: Final answer
    x = 719,961,074.85

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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.