Home / 763,602,022.80-1,145,403,034.20-414,923,582.70

Finding the Fourth Proportional to 763,602,022.80, 1,145,403,034.20 and 414,923,582.70

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Solution

The fourth proportional to 763,602,022.80, 1,145,403,034.20 and 414,923,582.70 is: 622,385,374.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,602,022.80 : 1,145,403,034.20 = 414,923,582.70 : x
  2. Step 2: Convert to fraction form
    763,602,022.80/1,145,403,034.20 = 414,923,582.70/x
  3. Step 3: Cross multiply
    763,602,022.80x = 1,145,403,034.20 × 414,923,582.70
  4. Step 4: Simplify right side
    763,602,022.80x = 475,254,730,585,714,624
  5. Step 5: Solve for x
    x = 475,254,730,585,714,624/763,602,022.80
  6. Step 6: Final answer
    x = 622,385,374.05

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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.