Home / 5,163,264,819.20-7,744,897,228.80-1,669,663,539.20

Finding the Fourth Proportional to 5,163,264,819.20, 7,744,897,228.80 and 1,669,663,539.20

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Solution

The fourth proportional to 5,163,264,819.20, 7,744,897,228.80 and 1,669,663,539.20 is: 2,504,495,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163,264,819.20 : 7,744,897,228.80 = 1,669,663,539.20 : x
  2. Step 2: Convert to fraction form
    5,163,264,819.20/7,744,897,228.80 = 1,669,663,539.20/x
  3. Step 3: Cross multiply
    5,163,264,819.20x = 7,744,897,228.80 × 1,669,663,539.20
  4. Step 4: Simplify right side
    5,163,264,819.20x = 12,931,372,517,778,481,152
  5. Step 5: Solve for x
    x = 12,931,372,517,778,481,152/5,163,264,819.20
  6. Step 6: Final answer
    x = 2,504,495,308.80

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Half scale
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Double scale
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Similar ratio
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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.