Home / 997,618,088.72-1,376,760,946.58-551,573,198.48

Finding the Fourth Proportional to 997,618,088.72, 1,376,760,946.58 and 551,573,198.48

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Solution

The fourth proportional to 997,618,088.72, 1,376,760,946.58 and 551,573,198.48 is: 761,197,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,618,088.72 : 1,376,760,946.58 = 551,573,198.48 : x
  2. Step 2: Convert to fraction form
    997,618,088.72/1,376,760,946.58 = 551,573,198.48/x
  3. Step 3: Cross multiply
    997,618,088.72x = 1,376,760,946.58 × 551,573,198.48
  4. Step 4: Simplify right side
    997,618,088.72x = 759,384,438,837,841,408
  5. Step 5: Solve for x
    x = 759,384,438,837,841,408/997,618,088.72
  6. Step 6: Final answer
    x = 761,197,543.86

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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.