Home / 719,368,246.64-992,752,252.44-440,855,984.72

Finding the Fourth Proportional to 719,368,246.64, 992,752,252.44 and 440,855,984.72

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Solution

The fourth proportional to 719,368,246.64, 992,752,252.44 and 440,855,984.72 is: 608,396,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,368,246.64 : 992,752,252.44 = 440,855,984.72 : x
  2. Step 2: Convert to fraction form
    719,368,246.64/992,752,252.44 = 440,855,984.72/x
  3. Step 3: Cross multiply
    719,368,246.64x = 992,752,252.44 × 440,855,984.72
  4. Step 4: Simplify right side
    719,368,246.64x = 437,660,771,832,434,304
  5. Step 5: Solve for x
    x = 437,660,771,832,434,304/719,368,246.64
  6. Step 6: Final answer
    x = 608,396,011.19

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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.