Home / 608,608,776.06-912,951,033.88-220,434,969.45

Finding the Fourth Proportional to 608,608,776.06, 912,951,033.88 and 220,434,969.45

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Solution

The fourth proportional to 608,608,776.06, 912,951,033.88 and 220,434,969.45 is: 330,666,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,608,776.06 : 912,951,033.88 = 220,434,969.45 : x
  2. Step 2: Convert to fraction form
    608,608,776.06/912,951,033.88 = 220,434,969.45/x
  3. Step 3: Cross multiply
    608,608,776.06x = 912,951,033.88 × 220,434,969.45
  4. Step 4: Simplify right side
    608,608,776.06x = 201,246,333,262,683,712
  5. Step 5: Solve for x
    x = 201,246,333,262,683,712/608,608,776.06
  6. Step 6: Final answer
    x = 330,666,170.42

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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.