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Finding the Fourth Proportional to 1,063,274,703.30, 1,594,912,054.95 and 919,947,471.30

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Solution

The fourth proportional to 1,063,274,703.30, 1,594,912,054.95 and 919,947,471.30 is: 1,379,921,206.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,274,703.30 : 1,594,912,054.95 = 919,947,471.30 : x
  2. Step 2: Convert to fraction form
    1,063,274,703.30/1,594,912,054.95 = 919,947,471.30/x
  3. Step 3: Cross multiply
    1,063,274,703.30x = 1,594,912,054.95 × 919,947,471.30
  4. Step 4: Simplify right side
    1,063,274,703.30x = 1,467,235,311,897,139,200
  5. Step 5: Solve for x
    x = 1,467,235,311,897,139,200/1,063,274,703.30
  6. Step 6: Final answer
    x = 1,379,921,206.95

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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.