Home / 629,857,376.40-944,786,064.60-612,851,264.40

Finding the Fourth Proportional to 629,857,376.40, 944,786,064.60 and 612,851,264.40

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Solution

The fourth proportional to 629,857,376.40, 944,786,064.60 and 612,851,264.40 is: 919,276,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,376.40 : 944,786,064.60 = 612,851,264.40 : x
  2. Step 2: Convert to fraction form
    629,857,376.40/944,786,064.60 = 612,851,264.40/x
  3. Step 3: Cross multiply
    629,857,376.40x = 944,786,064.60 × 612,851,264.40
  4. Step 4: Simplify right side
    629,857,376.40x = 579,013,334,277,610,112
  5. Step 5: Solve for x
    x = 579,013,334,277,610,112/629,857,376.40
  6. Step 6: Final answer
    x = 919,276,896.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.