Home / 20,559,725,788.59-28,365,639,453.90-12,418,487,215.54

Finding the Fourth Proportional to 20,559,725,788.59, 28,365,639,453.90 and 12,418,487,215.54

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Solution

The fourth proportional to 20,559,725,788.59, 28,365,639,453.90 and 12,418,487,215.54 is: 17,133,415,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559,725,788.59 : 28,365,639,453.90 = 12,418,487,215.54 : x
  2. Step 2: Convert to fraction form
    20,559,725,788.59/28,365,639,453.90 = 12,418,487,215.54/x
  3. Step 3: Cross multiply
    20,559,725,788.59x = 28,365,639,453.90 × 12,418,487,215.54
  4. Step 4: Simplify right side
    20,559,725,788.59x = 352,258,330,918,817,497,088
  5. Step 5: Solve for x
    x = 352,258,330,918,817,497,088/20,559,725,788.59
  6. Step 6: Final answer
    x = 17,133,415,812.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.