Home / 20,970,065,597.07-28,938,689,417.25-11,324,794,638.18

Finding the Fourth Proportional to 20,970,065,597.07, 28,938,689,417.25 and 11,324,794,638.18

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Solution

The fourth proportional to 20,970,065,597.07, 28,938,689,417.25 and 11,324,794,638.18 is: 15,628,216,003.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,065,597.07 : 28,938,689,417.25 = 11,324,794,638.18 : x
  2. Step 2: Convert to fraction form
    20,970,065,597.07/28,938,689,417.25 = 11,324,794,638.18/x
  3. Step 3: Cross multiply
    20,970,065,597.07x = 28,938,689,417.25 × 11,324,794,638.18
  4. Step 4: Simplify right side
    20,970,065,597.07x = 327,724,714,748,429,139,968
  5. Step 5: Solve for x
    x = 327,724,714,748,429,139,968/20,970,065,597.07
  6. Step 6: Final answer
    x = 15,628,216,003.02

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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.