Home / 18,880,147,264.90-28,320,220,897.35-11,533,506,880.90

Finding the Fourth Proportional to 18,880,147,264.90, 28,320,220,897.35 and 11,533,506,880.90

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Solution

The fourth proportional to 18,880,147,264.90, 28,320,220,897.35 and 11,533,506,880.90 is: 17,300,260,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880,147,264.90 : 28,320,220,897.35 = 11,533,506,880.90 : x
  2. Step 2: Convert to fraction form
    18,880,147,264.90/28,320,220,897.35 = 11,533,506,880.90/x
  3. Step 3: Cross multiply
    18,880,147,264.90x = 28,320,220,897.35 × 11,533,506,880.90
  4. Step 4: Simplify right side
    18,880,147,264.90x = 326,631,462,588,194,160,640
  5. Step 5: Solve for x
    x = 326,631,462,588,194,160,640/18,880,147,264.90
  6. Step 6: Final answer
    x = 17,300,260,321.35

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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.