Home / 716,066,442,704.40-988,175,704,640.70-407,417,794,251.20

Finding the Fourth Proportional to 716,066,442,704.40, 988,175,704,640.70 and 407,417,794,251.20

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Solution

The fourth proportional to 716,066,442,704.40, 988,175,704,640.70 and 407,417,794,251.20 is: 562,238,839,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,066,442,704.40 : 988,175,704,640.70 = 407,417,794,251.20 : x
  2. Step 2: Convert to fraction form
    716,066,442,704.40/988,175,704,640.70 = 407,417,794,251.20/x
  3. Step 3: Cross multiply
    716,066,442,704.40x = 988,175,704,640.70 × 407,417,794,251.20
  4. Step 4: Simplify right side
    716,066,442,704.40x = 402,600,365,917,339,304,067,072
  5. Step 5: Solve for x
    x = 402,600,365,917,339,304,067,072/716,066,442,704.40
  6. Step 6: Final answer
    x = 562,238,839,732.28

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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.