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Finding the Fourth Proportional to 980,254,961.70, 1,468,366,903.35 and 673,893,003.30

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Solution

The fourth proportional to 980,254,961.70, 1,468,366,903.35 and 673,893,003.30 is: 1,009,453,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,254,961.70 : 1,468,366,903.35 = 673,893,003.30 : x
  2. Step 2: Convert to fraction form
    980,254,961.70/1,468,366,903.35 = 673,893,003.30/x
  3. Step 3: Cross multiply
    980,254,961.70x = 1,468,366,903.35 × 673,893,003.30
  4. Step 4: Simplify right side
    980,254,961.70x = 989,522,182,444,852,224
  5. Step 5: Solve for x
    x = 989,522,182,444,852,224/980,254,961.70
  6. Step 6: Final answer
    x = 1,009,453,888.13

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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.