Home / 984,573,753.55-1,476,863,131.84-402,307,999.09

Finding the Fourth Proportional to 984,573,753.55, 1,476,863,131.84 and 402,307,999.09

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Solution

The fourth proportional to 984,573,753.55, 1,476,863,131.84 and 402,307,999.09 is: 603,463,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,573,753.55 : 1,476,863,131.84 = 402,307,999.09 : x
  2. Step 2: Convert to fraction form
    984,573,753.55/1,476,863,131.84 = 402,307,999.09/x
  3. Step 3: Cross multiply
    984,573,753.55x = 1,476,863,131.84 × 402,307,999.09
  4. Step 4: Simplify right side
    984,573,753.55x = 594,153,851,500,341,248
  5. Step 5: Solve for x
    x = 594,153,851,500,341,248/984,573,753.55
  6. Step 6: Final answer
    x = 603,463,020.78

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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.