Home / 20,559,725,789.04-28,365,639,454.50-12,418,487,215.98

Finding the Fourth Proportional to 20,559,725,789.04, 28,365,639,454.50 and 12,418,487,215.98

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Solution

The fourth proportional to 20,559,725,789.04, 28,365,639,454.50 and 12,418,487,215.98 is: 17,133,415,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559,725,789.04 : 28,365,639,454.50 = 12,418,487,215.98 : x
  2. Step 2: Convert to fraction form
    20,559,725,789.04/28,365,639,454.50 = 12,418,487,215.98/x
  3. Step 3: Cross multiply
    20,559,725,789.04x = 28,365,639,454.50 × 12,418,487,215.98
  4. Step 4: Simplify right side
    20,559,725,789.04x = 352,258,330,938,806,108,160
  5. Step 5: Solve for x
    x = 352,258,330,938,806,108,160/20,559,725,789.04
  6. Step 6: Final answer
    x = 17,133,415,812.70

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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.