Home / 366,637,258.84-505,972,721.55-210,034,632.28

Finding the Fourth Proportional to 366,637,258.84, 505,972,721.55 and 210,034,632.28

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Solution

The fourth proportional to 366,637,258.84, 505,972,721.55 and 210,034,632.28 is: 289,855,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,637,258.84 : 505,972,721.55 = 210,034,632.28 : x
  2. Step 2: Convert to fraction form
    366,637,258.84/505,972,721.55 = 210,034,632.28/x
  3. Step 3: Cross multiply
    366,637,258.84x = 505,972,721.55 × 210,034,632.28
  4. Step 4: Simplify right side
    366,637,258.84x = 106,271,794,513,987,776
  5. Step 5: Solve for x
    x = 106,271,794,513,987,776/366,637,258.84
  6. Step 6: Final answer
    x = 289,855,414.18

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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.