Home / 1,346,618,976.74-2,020,121,242.68-414,020,132.10

Finding the Fourth Proportional to 1,346,618,976.74, 2,020,121,242.68 and 414,020,132.10

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Solution

The fourth proportional to 1,346,618,976.74, 2,020,121,242.68 and 414,020,132.10 is: 621,089,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,618,976.74 : 2,020,121,242.68 = 414,020,132.10 : x
  2. Step 2: Convert to fraction form
    1,346,618,976.74/2,020,121,242.68 = 414,020,132.10/x
  3. Step 3: Cross multiply
    1,346,618,976.74x = 2,020,121,242.68 × 414,020,132.10
  4. Step 4: Simplify right side
    1,346,618,976.74x = 836,370,863,752,389,888
  5. Step 5: Solve for x
    x = 836,370,863,752,389,888/1,346,618,976.74
  6. Step 6: Final answer
    x = 621,089,467.92

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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.