Home / 414,461,567.80-620,873,538.90-210,136,281.40

Finding the Fourth Proportional to 414,461,567.80, 620,873,538.90 and 210,136,281.40

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Solution

The fourth proportional to 414,461,567.80, 620,873,538.90 and 210,136,281.40 is: 314,789,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,461,567.80 : 620,873,538.90 = 210,136,281.40 : x
  2. Step 2: Convert to fraction form
    414,461,567.80/620,873,538.90 = 210,136,281.40/x
  3. Step 3: Cross multiply
    414,461,567.80x = 620,873,538.90 × 210,136,281.40
  4. Step 4: Simplify right side
    414,461,567.80x = 130,468,056,684,104,240
  5. Step 5: Solve for x
    x = 130,468,056,684,104,240/414,461,567.80
  6. Step 6: Final answer
    x = 314,789,275.58

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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.