Home / 690,915,487.36-1,036,554,740.88-248,302,855.48

Finding the Fourth Proportional to 690,915,487.36, 1,036,554,740.88 and 248,302,855.48

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Solution

The fourth proportional to 690,915,487.36, 1,036,554,740.88 and 248,302,855.48 is: 372,519,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,915,487.36 : 1,036,554,740.88 = 248,302,855.48 : x
  2. Step 2: Convert to fraction form
    690,915,487.36/1,036,554,740.88 = 248,302,855.48/x
  3. Step 3: Cross multiply
    690,915,487.36x = 1,036,554,740.88 × 248,302,855.48
  4. Step 4: Simplify right side
    690,915,487.36x = 257,379,502,021,835,488
  5. Step 5: Solve for x
    x = 257,379,502,021,835,488/690,915,487.36
  6. Step 6: Final answer
    x = 372,519,514.66

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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.