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Finding the Fourth Proportional to 100,803,563,515.20, 151,205,345,272.80 and 100,803,563,515.20

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Solution

The fourth proportional to 100,803,563,515.20, 151,205,345,272.80 and 100,803,563,515.20 is: 151,205,345,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,803,563,515.20 : 151,205,345,272.80 = 100,803,563,515.20 : x
  2. Step 2: Convert to fraction form
    100,803,563,515.20/151,205,345,272.80 = 100,803,563,515.20/x
  3. Step 3: Cross multiply
    100,803,563,515.20x = 151,205,345,272.80 × 100,803,563,515.20
  4. Step 4: Simplify right side
    100,803,563,515.20x = 15,242,037,626,044,439,068,672
  5. Step 5: Solve for x
    x = 15,242,037,626,044,439,068,672/100,803,563,515.20
  6. Step 6: Final answer
    x = 151,205,345,272.80

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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.