Home / 406,298,492.85-560,726,499.21-230,117,829.72

Finding the Fourth Proportional to 406,298,492.85, 560,726,499.21 and 230,117,829.72

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Solution

The fourth proportional to 406,298,492.85, 560,726,499.21 and 230,117,829.72 is: 317,582,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,298,492.85 : 560,726,499.21 = 230,117,829.72 : x
  2. Step 2: Convert to fraction form
    406,298,492.85/560,726,499.21 = 230,117,829.72/x
  3. Step 3: Cross multiply
    406,298,492.85x = 560,726,499.21 × 230,117,829.72
  4. Step 4: Simplify right side
    406,298,492.85x = 129,033,165,064,698,496
  5. Step 5: Solve for x
    x = 129,033,165,064,698,496/406,298,492.85
  6. Step 6: Final answer
    x = 317,582,189.78

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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.