Home / 294,902,762.80-442,637,579.40-149,500,505.20

Finding the Fourth Proportional to 294,902,762.80, 442,637,579.40 and 149,500,505.20

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Solution

The fourth proportional to 294,902,762.80, 442,637,579.40 and 149,500,505.20 is: 224,394,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,902,762.80 : 442,637,579.40 = 149,500,505.20 : x
  2. Step 2: Convert to fraction form
    294,902,762.80/442,637,579.40 = 149,500,505.20/x
  3. Step 3: Cross multiply
    294,902,762.80x = 442,637,579.40 × 149,500,505.20
  4. Step 4: Simplify right side
    294,902,762.80x = 66,174,541,740,805,104
  5. Step 5: Solve for x
    x = 66,174,541,740,805,104/294,902,762.80
  6. Step 6: Final answer
    x = 224,394,444.84

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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.