Home / 414,461,528.80-620,873,480.40-210,136,242.40

Finding the Fourth Proportional to 414,461,528.80, 620,873,480.40 and 210,136,242.40

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Solution

The fourth proportional to 414,461,528.80, 620,873,480.40 and 210,136,242.40 is: 314,789,217.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,461,528.80 : 620,873,480.40 = 210,136,242.40 : x
  2. Step 2: Convert to fraction form
    414,461,528.80/620,873,480.40 = 210,136,242.40/x
  3. Step 3: Cross multiply
    414,461,528.80x = 620,873,480.40 × 210,136,242.40
  4. Step 4: Simplify right side
    414,461,528.80x = 130,468,020,177,066,048
  5. Step 5: Solve for x
    x = 130,468,020,177,066,048/414,461,528.80
  6. Step 6: Final answer
    x = 314,789,217.12

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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.