Home / 406,973,695.40-610,460,543.10-252,005,499.80

Finding the Fourth Proportional to 406,973,695.40, 610,460,543.10 and 252,005,499.80

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Solution

The fourth proportional to 406,973,695.40, 610,460,543.10 and 252,005,499.80 is: 378,008,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,973,695.40 : 610,460,543.10 = 252,005,499.80 : x
  2. Step 2: Convert to fraction form
    406,973,695.40/610,460,543.10 = 252,005,499.80/x
  3. Step 3: Cross multiply
    406,973,695.40x = 610,460,543.10 × 252,005,499.80
  4. Step 4: Simplify right side
    406,973,695.40x = 153,839,414,272,094,944
  5. Step 5: Solve for x
    x = 153,839,414,272,094,944/406,973,695.40
  6. Step 6: Final answer
    x = 378,008,249.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.