Home / 10,393,635,965.10-15,590,453,947.65-9,781,415,933.10

Finding the Fourth Proportional to 10,393,635,965.10, 15,590,453,947.65 and 9,781,415,933.10

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Solution

The fourth proportional to 10,393,635,965.10, 15,590,453,947.65 and 9,781,415,933.10 is: 14,672,123,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393,635,965.10 : 15,590,453,947.65 = 9,781,415,933.10 : x
  2. Step 2: Convert to fraction form
    10,393,635,965.10/15,590,453,947.65 = 9,781,415,933.10/x
  3. Step 3: Cross multiply
    10,393,635,965.10x = 15,590,453,947.65 × 9,781,415,933.10
  4. Step 4: Simplify right side
    10,393,635,965.10x = 152,496,714,647,805,493,248
  5. Step 5: Solve for x
    x = 152,496,714,647,805,493,248/10,393,635,965.10
  6. Step 6: Final answer
    x = 14,672,123,899.65

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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.