Home / 406,298,493.21-560,726,499.75-230,117,830.10

Finding the Fourth Proportional to 406,298,493.21, 560,726,499.75 and 230,117,830.10

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Solution

The fourth proportional to 406,298,493.21, 560,726,499.75 and 230,117,830.10 is: 317,582,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,298,493.21 : 560,726,499.75 = 230,117,830.10 : x
  2. Step 2: Convert to fraction form
    406,298,493.21/560,726,499.75 = 230,117,830.10/x
  3. Step 3: Cross multiply
    406,298,493.21x = 560,726,499.75 × 230,117,830.10
  4. Step 4: Simplify right side
    406,298,493.21x = 129,033,165,400,474,352
  5. Step 5: Solve for x
    x = 129,033,165,400,474,352/406,298,493.21
  6. Step 6: Final answer
    x = 317,582,190.32

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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.