Home / 5,218,844,964.72-7,202,007,117.63-2,872,001,508.72

Finding the Fourth Proportional to 5,218,844,964.72, 7,202,007,117.63 and 2,872,001,508.72

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Solution

The fourth proportional to 5,218,844,964.72, 7,202,007,117.63 and 2,872,001,508.72 is: 3,963,362,668.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,844,964.72 : 7,202,007,117.63 = 2,872,001,508.72 : x
  2. Step 2: Convert to fraction form
    5,218,844,964.72/7,202,007,117.63 = 2,872,001,508.72/x
  3. Step 3: Cross multiply
    5,218,844,964.72x = 7,202,007,117.63 × 2,872,001,508.72
  4. Step 4: Simplify right side
    5,218,844,964.72x = 20,684,175,307,645,538,304
  5. Step 5: Solve for x
    x = 20,684,175,307,645,538,304/5,218,844,964.72
  6. Step 6: Final answer
    x = 3,963,362,668.84

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1.5x scale

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.