Home / 25,509,228,001.30-38,263,842,001.95-12,448,533,985.30

Finding the Fourth Proportional to 25,509,228,001.30, 38,263,842,001.95 and 12,448,533,985.30

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Solution

The fourth proportional to 25,509,228,001.30, 38,263,842,001.95 and 12,448,533,985.30 is: 18,672,800,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509,228,001.30 : 38,263,842,001.95 = 12,448,533,985.30 : x
  2. Step 2: Convert to fraction form
    25,509,228,001.30/38,263,842,001.95 = 12,448,533,985.30/x
  3. Step 3: Cross multiply
    25,509,228,001.30x = 38,263,842,001.95 × 12,448,533,985.30
  4. Step 4: Simplify right side
    25,509,228,001.30x = 476,328,737,569,424,080,896
  5. Step 5: Solve for x
    x = 476,328,737,569,424,080,896/25,509,228,001.30
  6. Step 6: Final answer
    x = 18,672,800,977.95

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Double scale
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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.