Home / 1,091,536,297.21-1,506,320,090.22-621,681,337.63

Finding the Fourth Proportional to 1,091,536,297.21, 1,506,320,090.22 and 621,681,337.63

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Solution

The fourth proportional to 1,091,536,297.21, 1,506,320,090.22 and 621,681,337.63 is: 857,920,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,536,297.21 : 1,506,320,090.22 = 621,681,337.63 : x
  2. Step 2: Convert to fraction form
    1,091,536,297.21/1,506,320,090.22 = 621,681,337.63/x
  3. Step 3: Cross multiply
    1,091,536,297.21x = 1,506,320,090.22 × 621,681,337.63
  4. Step 4: Simplify right side
    1,091,536,297.21x = 936,451,088,586,911,872
  5. Step 5: Solve for x
    x = 936,451,088,586,911,872/1,091,536,297.21
  6. Step 6: Final answer
    x = 857,920,245.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.