Home / 370,461,862.72-555,743,894.50-215,088,843.16

Finding the Fourth Proportional to 370,461,862.72, 555,743,894.50 and 215,088,843.16

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Solution

The fourth proportional to 370,461,862.72, 555,743,894.50 and 215,088,843.16 is: 322,662,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,461,862.72 : 555,743,894.50 = 215,088,843.16 : x
  2. Step 2: Convert to fraction form
    370,461,862.72/555,743,894.50 = 215,088,843.16/x
  3. Step 3: Cross multiply
    370,461,862.72x = 555,743,894.50 × 215,088,843.16
  4. Step 4: Simplify right side
    370,461,862.72x = 119,534,311,361,238,080
  5. Step 5: Solve for x
    x = 119,534,311,361,238,080/370,461,862.72
  6. Step 6: Final answer
    x = 322,662,933.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.