Home / 539,431,968.40-743,910,883.59-358,058,175.10

Finding the Fourth Proportional to 539,431,968.40, 743,910,883.59 and 358,058,175.10

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Solution

The fourth proportional to 539,431,968.40, 743,910,883.59 and 358,058,175.10 is: 493,784,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,431,968.40 : 743,910,883.59 = 358,058,175.10 : x
  2. Step 2: Convert to fraction form
    539,431,968.40/743,910,883.59 = 358,058,175.10/x
  3. Step 3: Cross multiply
    539,431,968.40x = 743,910,883.59 × 358,058,175.10
  4. Step 4: Simplify right side
    539,431,968.40x = 266,363,373,415,263,968
  5. Step 5: Solve for x
    x = 266,363,373,415,263,968/539,431,968.40
  6. Step 6: Final answer
    x = 493,784,923.81

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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.