Home / 442,869,110.80-664,303,666.20-417,359,942.80

Finding the Fourth Proportional to 442,869,110.80, 664,303,666.20 and 417,359,942.80

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Solution

The fourth proportional to 442,869,110.80, 664,303,666.20 and 417,359,942.80 is: 626,039,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,869,110.80 : 664,303,666.20 = 417,359,942.80 : x
  2. Step 2: Convert to fraction form
    442,869,110.80/664,303,666.20 = 417,359,942.80/x
  3. Step 3: Cross multiply
    442,869,110.80x = 664,303,666.20 × 417,359,942.80
  4. Step 4: Simplify right side
    442,869,110.80x = 277,253,740,127,062,336
  5. Step 5: Solve for x
    x = 277,253,740,127,062,336/442,869,110.80
  6. Step 6: Final answer
    x = 626,039,914.20

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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.