Home / 648,255,085.74-894,257,252.19-439,339,782.06

Finding the Fourth Proportional to 648,255,085.74, 894,257,252.19 and 439,339,782.06

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Solution

The fourth proportional to 648,255,085.74, 894,257,252.19 and 439,339,782.06 is: 606,062,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,255,085.74 : 894,257,252.19 = 439,339,782.06 : x
  2. Step 2: Convert to fraction form
    648,255,085.74/894,257,252.19 = 439,339,782.06/x
  3. Step 3: Cross multiply
    648,255,085.74x = 894,257,252.19 × 439,339,782.06
  4. Step 4: Simplify right side
    648,255,085.74x = 392,882,786,282,729,088
  5. Step 5: Solve for x
    x = 392,882,786,282,729,088/648,255,085.74
  6. Step 6: Final answer
    x = 606,062,019.30

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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.