Home / 465,460,916.69-642,340,523.90-256,624,549.13

Finding the Fourth Proportional to 465,460,916.69, 642,340,523.90 and 256,624,549.13

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Solution

The fourth proportional to 465,460,916.69, 642,340,523.90 and 256,624,549.13 is: 354,144,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,460,916.69 : 642,340,523.90 = 256,624,549.13 : x
  2. Step 2: Convert to fraction form
    465,460,916.69/642,340,523.90 = 256,624,549.13/x
  3. Step 3: Cross multiply
    465,460,916.69x = 642,340,523.90 × 256,624,549.13
  4. Step 4: Simplify right side
    465,460,916.69x = 164,840,347,336,012,896
  5. Step 5: Solve for x
    x = 164,840,347,336,012,896/465,460,916.69
  6. Step 6: Final answer
    x = 354,144,336.13

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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.