Home / 612,640,709-845,449,574.16-334,183,470.92

Finding the Fourth Proportional to 612,640,709, 845,449,574.16 and 334,183,470.92

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Solution

The fourth proportional to 612,640,709, 845,449,574.16 and 334,183,470.92 is: 461,176,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,640,709 : 845,449,574.16 = 334,183,470.92 : x
  2. Step 2: Convert to fraction form
    612,640,709/845,449,574.16 = 334,183,470.92/x
  3. Step 3: Cross multiply
    612,640,709x = 845,449,574.16 × 334,183,470.92
  4. Step 4: Simplify right side
    612,640,709x = 282,535,273,180,624,736
  5. Step 5: Solve for x
    x = 282,535,273,180,624,736/612,640,709
  6. Step 6: Final answer
    x = 461,176,133.14

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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.