Home / 25,509,228,002.80-38,263,842,004.20-12,448,533,986.80

Finding the Fourth Proportional to 25,509,228,002.80, 38,263,842,004.20 and 12,448,533,986.80

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Solution

The fourth proportional to 25,509,228,002.80, 38,263,842,004.20 and 12,448,533,986.80 is: 18,672,800,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509,228,002.80 : 38,263,842,004.20 = 12,448,533,986.80 : x
  2. Step 2: Convert to fraction form
    25,509,228,002.80/38,263,842,004.20 = 12,448,533,986.80/x
  3. Step 3: Cross multiply
    25,509,228,002.80x = 38,263,842,004.20 × 12,448,533,986.80
  4. Step 4: Simplify right side
    25,509,228,002.80x = 476,328,737,654,829,088,768
  5. Step 5: Solve for x
    x = 476,328,737,654,829,088,768/25,509,228,002.80
  6. Step 6: Final answer
    x = 18,672,800,980.20

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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.