Home / 455,145,000.94-628,100,101.02-246,301,143.22

Finding the Fourth Proportional to 455,145,000.94, 628,100,101.02 and 246,301,143.22

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Solution

The fourth proportional to 455,145,000.94, 628,100,101.02 and 246,301,143.22 is: 339,895,577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,145,000.94 : 628,100,101.02 = 246,301,143.22 : x
  2. Step 2: Convert to fraction form
    455,145,000.94/628,100,101.02 = 246,301,143.22/x
  3. Step 3: Cross multiply
    455,145,000.94x = 628,100,101.02 × 246,301,143.22
  4. Step 4: Simplify right side
    455,145,000.94x = 154,701,772,937,823,488
  5. Step 5: Solve for x
    x = 154,701,772,937,823,488/455,145,000.94
  6. Step 6: Final answer
    x = 339,895,577.49

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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.