Home / 770,982,283.80-1,063,974,056.58-418,573,127.88

Finding the Fourth Proportional to 770,982,283.80, 1,063,974,056.58 and 418,573,127.88

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Solution

The fourth proportional to 770,982,283.80, 1,063,974,056.58 and 418,573,127.88 is: 577,640,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,982,283.80 : 1,063,974,056.58 = 418,573,127.88 : x
  2. Step 2: Convert to fraction form
    770,982,283.80/1,063,974,056.58 = 418,573,127.88/x
  3. Step 3: Cross multiply
    770,982,283.80x = 1,063,974,056.58 × 418,573,127.88
  4. Step 4: Simplify right side
    770,982,283.80x = 445,350,948,845,862,720
  5. Step 5: Solve for x
    x = 445,350,948,845,862,720/770,982,283.80
  6. Step 6: Final answer
    x = 577,640,962.97

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1.5x scale

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.