Home / 18,880,147,255.90-28,320,220,883.85-11,533,506,871.90

Finding the Fourth Proportional to 18,880,147,255.90, 28,320,220,883.85 and 11,533,506,871.90

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Solution

The fourth proportional to 18,880,147,255.90, 28,320,220,883.85 and 11,533,506,871.90 is: 17,300,260,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880,147,255.90 : 28,320,220,883.85 = 11,533,506,871.90 : x
  2. Step 2: Convert to fraction form
    18,880,147,255.90/28,320,220,883.85 = 11,533,506,871.90/x
  3. Step 3: Cross multiply
    18,880,147,255.90x = 28,320,220,883.85 × 11,533,506,871.90
  4. Step 4: Simplify right side
    18,880,147,255.90x = 326,631,462,177,609,809,920
  5. Step 5: Solve for x
    x = 326,631,462,177,609,809,920/18,880,147,255.90
  6. Step 6: Final answer
    x = 17,300,260,307.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.