Home / 559,055,619.30-771,531,272.28-308,159,446.10

Finding the Fourth Proportional to 559,055,619.30, 771,531,272.28 and 308,159,446.10

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Solution

The fourth proportional to 559,055,619.30, 771,531,272.28 and 308,159,446.10 is: 425,279,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,055,619.30 : 771,531,272.28 = 308,159,446.10 : x
  2. Step 2: Convert to fraction form
    559,055,619.30/771,531,272.28 = 308,159,446.10/x
  3. Step 3: Cross multiply
    559,055,619.30x = 771,531,272.28 × 308,159,446.10
  4. Step 4: Simplify right side
    559,055,619.30x = 237,754,649,514,633,088
  5. Step 5: Solve for x
    x = 237,754,649,514,633,088/559,055,619.30
  6. Step 6: Final answer
    x = 425,279,062.24

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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.