Home / 852,012,020.40-1,278,145,751.40-360,724,340.40

Finding the Fourth Proportional to 852,012,020.40, 1,278,145,751.40 and 360,724,340.40

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Solution

The fourth proportional to 852,012,020.40, 1,278,145,751.40 and 360,724,340.40 is: 541,140,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,012,020.40 : 1,278,145,751.40 = 360,724,340.40 : x
  2. Step 2: Convert to fraction form
    852,012,020.40/1,278,145,751.40 = 360,724,340.40/x
  3. Step 3: Cross multiply
    852,012,020.40x = 1,278,145,751.40 × 360,724,340.40
  4. Step 4: Simplify right side
    852,012,020.40x = 461,058,283,108,827,392
  5. Step 5: Solve for x
    x = 461,058,283,108,827,392/852,012,020.40
  6. Step 6: Final answer
    x = 541,140,584.96

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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.