Home / 1,319,699,832.54-1,821,204,421.25-725,039,274.57

Finding the Fourth Proportional to 1,319,699,832.54, 1,821,204,421.25 and 725,039,274.57

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Solution

The fourth proportional to 1,319,699,832.54, 1,821,204,421.25 and 725,039,274.57 is: 1,000,564,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,699,832.54 : 1,821,204,421.25 = 725,039,274.57 : x
  2. Step 2: Convert to fraction form
    1,319,699,832.54/1,821,204,421.25 = 725,039,274.57/x
  3. Step 3: Cross multiply
    1,319,699,832.54x = 1,821,204,421.25 × 725,039,274.57
  4. Step 4: Simplify right side
    1,319,699,832.54x = 1,320,444,732,423,151,616
  5. Step 5: Solve for x
    x = 1,320,444,732,423,151,616/1,319,699,832.54
  6. Step 6: Final answer
    x = 1,000,564,446.45

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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.