Home / 406,582,036.81-609,887,509.39-130,197,338.14

Finding the Fourth Proportional to 406,582,036.81, 609,887,509.39 and 130,197,338.14

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Solution

The fourth proportional to 406,582,036.81, 609,887,509.39 and 130,197,338.14 is: 195,300,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,582,036.81 : 609,887,509.39 = 130,197,338.14 : x
  2. Step 2: Convert to fraction form
    406,582,036.81/609,887,509.39 = 130,197,338.14/x
  3. Step 3: Cross multiply
    406,582,036.81x = 609,887,509.39 × 130,197,338.14
  4. Step 4: Simplify right side
    406,582,036.81x = 79,405,730,285,562,048
  5. Step 5: Solve for x
    x = 79,405,730,285,562,048/406,582,036.81
  6. Step 6: Final answer
    x = 195,300,635.78

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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.