Home / 651,862,306.20-978,224,192.10-306,914,568.60

Finding the Fourth Proportional to 651,862,306.20, 978,224,192.10 and 306,914,568.60

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Solution

The fourth proportional to 651,862,306.20, 978,224,192.10 and 306,914,568.60 is: 460,574,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,862,306.20 : 978,224,192.10 = 306,914,568.60 : x
  2. Step 2: Convert to fraction form
    651,862,306.20/978,224,192.10 = 306,914,568.60/x
  3. Step 3: Cross multiply
    651,862,306.20x = 978,224,192.10 × 306,914,568.60
  4. Step 4: Simplify right side
    651,862,306.20x = 300,231,255,912,455,040
  5. Step 5: Solve for x
    x = 300,231,255,912,455,040/651,862,306.20
  6. Step 6: Final answer
    x = 460,574,653.66

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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.