Home / 1,159,888,909.35-1,739,833,364.03-393,984,013.35

Finding the Fourth Proportional to 1,159,888,909.35, 1,739,833,364.03 and 393,984,013.35

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Solution

The fourth proportional to 1,159,888,909.35, 1,739,833,364.03 and 393,984,013.35 is: 590,976,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,888,909.35 : 1,739,833,364.03 = 393,984,013.35 : x
  2. Step 2: Convert to fraction form
    1,159,888,909.35/1,739,833,364.03 = 393,984,013.35/x
  3. Step 3: Cross multiply
    1,159,888,909.35x = 1,739,833,364.03 × 393,984,013.35
  4. Step 4: Simplify right side
    1,159,888,909.35x = 685,466,531,320,770,944
  5. Step 5: Solve for x
    x = 685,466,531,320,770,944/1,159,888,909.35
  6. Step 6: Final answer
    x = 590,976,020.03

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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.