Home / 479,493,942.52-661,701,641.52-259,477,368.52

Finding the Fourth Proportional to 479,493,942.52, 661,701,641.52 and 259,477,368.52

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Solution

The fourth proportional to 479,493,942.52, 661,701,641.52 and 259,477,368.52 is: 358,078,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,493,942.52 : 661,701,641.52 = 259,477,368.52 : x
  2. Step 2: Convert to fraction form
    479,493,942.52/661,701,641.52 = 259,477,368.52/x
  3. Step 3: Cross multiply
    479,493,942.52x = 661,701,641.52 × 259,477,368.52
  4. Step 4: Simplify right side
    479,493,942.52x = 171,696,600,686,973,984
  5. Step 5: Solve for x
    x = 171,696,600,686,973,984/479,493,942.52
  6. Step 6: Final answer
    x = 358,078,769.01

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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.