Home / 297,048,283.60-445,572,425.40-78,732,320.80

Finding the Fourth Proportional to 297,048,283.60, 445,572,425.40 and 78,732,320.80

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Solution

The fourth proportional to 297,048,283.60, 445,572,425.40 and 78,732,320.80 is: 118,098,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,048,283.60 : 445,572,425.40 = 78,732,320.80 : x
  2. Step 2: Convert to fraction form
    297,048,283.60/445,572,425.40 = 78,732,320.80/x
  3. Step 3: Cross multiply
    297,048,283.60x = 445,572,425.40 × 78,732,320.80
  4. Step 4: Simplify right side
    297,048,283.60x = 35,080,951,136,226,864
  5. Step 5: Solve for x
    x = 35,080,951,136,226,864/297,048,283.60
  6. Step 6: Final answer
    x = 118,098,481.20

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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.