Home / 708,669,628.20-1,063,004,442.30-663,319,996.20

Finding the Fourth Proportional to 708,669,628.20, 1,063,004,442.30 and 663,319,996.20

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Solution

The fourth proportional to 708,669,628.20, 1,063,004,442.30 and 663,319,996.20 is: 994,979,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,669,628.20 : 1,063,004,442.30 = 663,319,996.20 : x
  2. Step 2: Convert to fraction form
    708,669,628.20/1,063,004,442.30 = 663,319,996.20/x
  3. Step 3: Cross multiply
    708,669,628.20x = 1,063,004,442.30 × 663,319,996.20
  4. Step 4: Simplify right side
    708,669,628.20x = 705,112,102,627,019,136
  5. Step 5: Solve for x
    x = 705,112,102,627,019,136/708,669,628.20
  6. Step 6: Final answer
    x = 994,979,994.30

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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.