Home / 787,508,983.40-1,181,515,827.18-551,404,445

Finding the Fourth Proportional to 787,508,983.40, 1,181,515,827.18 and 551,404,445

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Solution

The fourth proportional to 787,508,983.40, 1,181,515,827.18 and 551,404,445 is: 827,283,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,508,983.40 : 1,181,515,827.18 = 551,404,445 : x
  2. Step 2: Convert to fraction form
    787,508,983.40/1,181,515,827.18 = 551,404,445/x
  3. Step 3: Cross multiply
    787,508,983.40x = 1,181,515,827.18 × 551,404,445
  4. Step 4: Simplify right side
    787,508,983.40x = 651,493,078,944,903,808
  5. Step 5: Solve for x
    x = 651,493,078,944,903,808/787,508,983.40
  6. Step 6: Final answer
    x = 827,283,361.43

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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.