Home / 606,295,285.20-909,442,927.80-412,585,040.70

Finding the Fourth Proportional to 606,295,285.20, 909,442,927.80 and 412,585,040.70

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Solution

The fourth proportional to 606,295,285.20, 909,442,927.80 and 412,585,040.70 is: 618,877,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,295,285.20 : 909,442,927.80 = 412,585,040.70 : x
  2. Step 2: Convert to fraction form
    606,295,285.20/909,442,927.80 = 412,585,040.70/x
  3. Step 3: Cross multiply
    606,295,285.20x = 909,442,927.80 × 412,585,040.70
  4. Step 4: Simplify right side
    606,295,285.20x = 375,222,547,380,690,112
  5. Step 5: Solve for x
    x = 375,222,547,380,690,112/606,295,285.20
  6. Step 6: Final answer
    x = 618,877,561.05

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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.