Home / 881,690,044.63-1,216,732,460.19-485,213,034.18

Finding the Fourth Proportional to 881,690,044.63, 1,216,732,460.19 and 485,213,034.18

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Solution

The fourth proportional to 881,690,044.63, 1,216,732,460.19 and 485,213,034.18 is: 669,594,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,690,044.63 : 1,216,732,460.19 = 485,213,034.18 : x
  2. Step 2: Convert to fraction form
    881,690,044.63/1,216,732,460.19 = 485,213,034.18/x
  3. Step 3: Cross multiply
    881,690,044.63x = 1,216,732,460.19 × 485,213,034.18
  4. Step 4: Simplify right side
    881,690,044.63x = 590,374,448,798,648,704
  5. Step 5: Solve for x
    x = 590,374,448,798,648,704/881,690,044.63
  6. Step 6: Final answer
    x = 669,594,096.47

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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.