Home / 497,918,570.50-687,187,880.54-283,389,374.50

Finding the Fourth Proportional to 497,918,570.50, 687,187,880.54 and 283,389,374.50

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Solution

The fourth proportional to 497,918,570.50, 687,187,880.54 and 283,389,374.50 is: 391,111,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,918,570.50 : 687,187,880.54 = 283,389,374.50 : x
  2. Step 2: Convert to fraction form
    497,918,570.50/687,187,880.54 = 283,389,374.50/x
  3. Step 3: Cross multiply
    497,918,570.50x = 687,187,880.54 × 283,389,374.50
  4. Step 4: Simplify right side
    497,918,570.50x = 194,741,743,630,211,296
  5. Step 5: Solve for x
    x = 194,741,743,630,211,296/497,918,570.50
  6. Step 6: Final answer
    x = 391,111,629.83

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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.