Home / 455,675,814.16-628,835,642.64-246,831,956.64

Finding the Fourth Proportional to 455,675,814.16, 628,835,642.64 and 246,831,956.64

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Solution

The fourth proportional to 455,675,814.16, 628,835,642.64 and 246,831,956.64 is: 340,629,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,675,814.16 : 628,835,642.64 = 246,831,956.64 : x
  2. Step 2: Convert to fraction form
    455,675,814.16/628,835,642.64 = 246,831,956.64/x
  3. Step 3: Cross multiply
    455,675,814.16x = 628,835,642.64 × 246,831,956.64
  4. Step 4: Simplify right side
    455,675,814.16x = 155,216,732,077,803,008
  5. Step 5: Solve for x
    x = 155,216,732,077,803,008/455,675,814.16
  6. Step 6: Final answer
    x = 340,629,735.56

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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.