Home / 297,678,289.60-446,517,434.40-79,328,209.60

Finding the Fourth Proportional to 297,678,289.60, 446,517,434.40 and 79,328,209.60

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Solution

The fourth proportional to 297,678,289.60, 446,517,434.40 and 79,328,209.60 is: 118,992,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,678,289.60 : 446,517,434.40 = 79,328,209.60 : x
  2. Step 2: Convert to fraction form
    297,678,289.60/446,517,434.40 = 79,328,209.60/x
  3. Step 3: Cross multiply
    297,678,289.60x = 446,517,434.40 × 79,328,209.60
  4. Step 4: Simplify right side
    297,678,289.60x = 35,421,428,626,137,444
  5. Step 5: Solve for x
    x = 35,421,428,626,137,444/297,678,289.60
  6. Step 6: Final answer
    x = 118,992,314.40

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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.