Home / 20,912,506,600.93-28,859,356,839.51-11,880,760,303.22

Finding the Fourth Proportional to 20,912,506,600.93, 28,859,356,839.51 and 11,880,760,303.22

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Solution

The fourth proportional to 20,912,506,600.93, 28,859,356,839.51 and 11,880,760,303.22 is: 16,395,504,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,912,506,600.93 : 28,859,356,839.51 = 11,880,760,303.22 : x
  2. Step 2: Convert to fraction form
    20,912,506,600.93/28,859,356,839.51 = 11,880,760,303.22/x
  3. Step 3: Cross multiply
    20,912,506,600.93x = 28,859,356,839.51 × 11,880,760,303.22
  4. Step 4: Simplify right side
    20,912,506,600.93x = 342,871,101,115,166,687,232
  5. Step 5: Solve for x
    x = 342,871,101,115,166,687,232/20,912,506,600.93
  6. Step 6: Final answer
    x = 16,395,504,740.69

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