Home / 888,307,651.01-1,225,902,859.25-491,830,628.15

Finding the Fourth Proportional to 888,307,651.01, 1,225,902,859.25 and 491,830,628.15

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Solution

The fourth proportional to 888,307,651.01, 1,225,902,859.25 and 491,830,628.15 is: 678,747,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,307,651.01 : 1,225,902,859.25 = 491,830,628.15 : x
  2. Step 2: Convert to fraction form
    888,307,651.01/1,225,902,859.25 = 491,830,628.15/x
  3. Step 3: Cross multiply
    888,307,651.01x = 1,225,902,859.25 × 491,830,628.15
  4. Step 4: Simplify right side
    888,307,651.01x = 602,936,573,307,219,840
  5. Step 5: Solve for x
    x = 602,936,573,307,219,840/888,307,651.01
  6. Step 6: Final answer
    x = 678,747,472.93

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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.