Home / 430,182,047.36-645,272,086.80-184,379,300.12

Finding the Fourth Proportional to 430,182,047.36, 645,272,086.80 and 184,379,300.12

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Solution

The fourth proportional to 430,182,047.36, 645,272,086.80 and 184,379,300.12 is: 276,568,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,182,047.36 : 645,272,086.80 = 184,379,300.12 : x
  2. Step 2: Convert to fraction form
    430,182,047.36/645,272,086.80 = 184,379,300.12/x
  3. Step 3: Cross multiply
    430,182,047.36x = 645,272,086.80 × 184,379,300.12
  4. Step 4: Simplify right side
    430,182,047.36x = 118,974,815,751,155,888
  5. Step 5: Solve for x
    x = 118,974,815,751,155,888/430,182,047.36
  6. Step 6: Final answer
    x = 276,568,528.33

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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.