Home / 300,342,002.40-450,513,003.60-127,775,455.20

Finding the Fourth Proportional to 300,342,002.40, 450,513,003.60 and 127,775,455.20

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Solution

The fourth proportional to 300,342,002.40, 450,513,003.60 and 127,775,455.20 is: 191,663,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,342,002.40 : 450,513,003.60 = 127,775,455.20 : x
  2. Step 2: Convert to fraction form
    300,342,002.40/450,513,003.60 = 127,775,455.20/x
  3. Step 3: Cross multiply
    300,342,002.40x = 450,513,003.60 × 127,775,455.20
  4. Step 4: Simplify right side
    300,342,002.40x = 57,564,504,108,509,240
  5. Step 5: Solve for x
    x = 57,564,504,108,509,240/300,342,002.40
  6. Step 6: Final answer
    x = 191,663,182.80

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1.5x scale

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.