Home / 459,881,206.80-689,821,810.20-414,531,574.80

Finding the Fourth Proportional to 459,881,206.80, 689,821,810.20 and 414,531,574.80

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Solution

The fourth proportional to 459,881,206.80, 689,821,810.20 and 414,531,574.80 is: 621,797,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,881,206.80 : 689,821,810.20 = 414,531,574.80 : x
  2. Step 2: Convert to fraction form
    459,881,206.80/689,821,810.20 = 414,531,574.80/x
  3. Step 3: Cross multiply
    459,881,206.80x = 689,821,810.20 × 414,531,574.80
  4. Step 4: Simplify right side
    459,881,206.80x = 285,952,921,313,592,736
  5. Step 5: Solve for x
    x = 285,952,921,313,592,736/459,881,206.80
  6. Step 6: Final answer
    x = 621,797,362.20

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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.