Home / 8,153,686,528.35-11,251,911,047.21-4,720,529,621.37

Finding the Fourth Proportional to 8,153,686,528.35, 11,251,911,047.21 and 4,720,529,621.37

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Solution

The fourth proportional to 8,153,686,528.35, 11,251,911,047.21 and 4,720,529,621.37 is: 6,514,228,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153,686,528.35 : 11,251,911,047.21 = 4,720,529,621.37 : x
  2. Step 2: Convert to fraction form
    8,153,686,528.35/11,251,911,047.21 = 4,720,529,621.37/x
  3. Step 3: Cross multiply
    8,153,686,528.35x = 11,251,911,047.21 × 4,720,529,621.37
  4. Step 4: Simplify right side
    8,153,686,528.35x = 53,114,979,395,375,136,768
  5. Step 5: Solve for x
    x = 53,114,979,395,375,136,768/8,153,686,528.35
  6. Step 6: Final answer
    x = 6,514,228,773.78

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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.