Home / 12,704,296,013.36-17,531,831,746.48-6,988,457,674.32

Finding the Fourth Proportional to 12,704,296,013.36, 17,531,831,746.48 and 6,988,457,674.32

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Solution

The fourth proportional to 12,704,296,013.36, 17,531,831,746.48 and 6,988,457,674.32 is: 9,644,018,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704,296,013.36 : 17,531,831,746.48 = 6,988,457,674.32 : x
  2. Step 2: Convert to fraction form
    12,704,296,013.36/17,531,831,746.48 = 6,988,457,674.32/x
  3. Step 3: Cross multiply
    12,704,296,013.36x = 17,531,831,746.48 × 6,988,457,674.32
  4. Step 4: Simplify right side
    12,704,296,013.36x = 122,520,464,113,575,149,568
  5. Step 5: Solve for x
    x = 122,520,464,113,575,149,568/12,704,296,013.36
  6. Step 6: Final answer
    x = 9,644,018,368.65

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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.