Home / 20,559,725,788.04-28,365,639,453.12-12,418,487,214.98

Finding the Fourth Proportional to 20,559,725,788.04, 28,365,639,453.12 and 12,418,487,214.98

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Solution

The fourth proportional to 20,559,725,788.04, 28,365,639,453.12 and 12,418,487,214.98 is: 17,133,415,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559,725,788.04 : 28,365,639,453.12 = 12,418,487,214.98 : x
  2. Step 2: Convert to fraction form
    20,559,725,788.04/28,365,639,453.12 = 12,418,487,214.98/x
  3. Step 3: Cross multiply
    20,559,725,788.04x = 28,365,639,453.12 × 12,418,487,214.98
  4. Step 4: Simplify right side
    20,559,725,788.04x = 352,258,330,893,161,136,128
  5. Step 5: Solve for x
    x = 352,258,330,893,161,136,128/20,559,725,788.04
  6. Step 6: Final answer
    x = 17,133,415,811.32

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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.