Home / 18,895,732,121.60-28,343,598,182.40-18,786,893,004.80

Finding the Fourth Proportional to 18,895,732,121.60, 28,343,598,182.40 and 18,786,893,004.80

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Solution

The fourth proportional to 18,895,732,121.60, 28,343,598,182.40 and 18,786,893,004.80 is: 28,180,339,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895,732,121.60 : 28,343,598,182.40 = 18,786,893,004.80 : x
  2. Step 2: Convert to fraction form
    18,895,732,121.60/28,343,598,182.40 = 18,786,893,004.80/x
  3. Step 3: Cross multiply
    18,895,732,121.60x = 28,343,598,182.40 × 18,786,893,004.80
  4. Step 4: Simplify right side
    18,895,732,121.60x = 532,488,146,423,792,533,504
  5. Step 5: Solve for x
    x = 532,488,146,423,792,533,504/18,895,732,121.60
  6. Step 6: Final answer
    x = 28,180,339,507.20

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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.