Home / 690,915,488.36-1,036,554,742.38-248,302,856.48

Finding the Fourth Proportional to 690,915,488.36, 1,036,554,742.38 and 248,302,856.48

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Solution

The fourth proportional to 690,915,488.36, 1,036,554,742.38 and 248,302,856.48 is: 372,519,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,915,488.36 : 1,036,554,742.38 = 248,302,856.48 : x
  2. Step 2: Convert to fraction form
    690,915,488.36/1,036,554,742.38 = 248,302,856.48/x
  3. Step 3: Cross multiply
    690,915,488.36x = 1,036,554,742.38 × 248,302,856.48
  4. Step 4: Simplify right side
    690,915,488.36x = 257,379,503,430,844,512
  5. Step 5: Solve for x
    x = 257,379,503,430,844,512/690,915,488.36
  6. Step 6: Final answer
    x = 372,519,516.16

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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.