Home / 945,136,204.58-1,304,308,841.15-521,748,863.03

Finding the Fourth Proportional to 945,136,204.58, 1,304,308,841.15 and 521,748,863.03

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Solution

The fourth proportional to 945,136,204.58, 1,304,308,841.15 and 521,748,863.03 is: 720,024,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,136,204.58 : 1,304,308,841.15 = 521,748,863.03 : x
  2. Step 2: Convert to fraction form
    945,136,204.58/1,304,308,841.15 = 521,748,863.03/x
  3. Step 3: Cross multiply
    945,136,204.58x = 1,304,308,841.15 × 521,748,863.03
  4. Step 4: Simplify right side
    945,136,204.58x = 680,521,654,909,989,376
  5. Step 5: Solve for x
    x = 680,521,654,909,989,376/945,136,204.58
  6. Step 6: Final answer
    x = 720,024,956.84

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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.