Home / 12,979,148,967-17,911,980,767.43-7,263,385,057.26

Finding the Fourth Proportional to 12,979,148,967, 17,911,980,767.43 and 7,263,385,057.26

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Solution

The fourth proportional to 12,979,148,967, 17,911,980,767.43 and 7,263,385,057.26 is: 10,023,893,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,148,967 : 17,911,980,767.43 = 7,263,385,057.26 : x
  2. Step 2: Convert to fraction form
    12,979,148,967/17,911,980,767.43 = 7,263,385,057.26/x
  3. Step 3: Cross multiply
    12,979,148,967x = 17,911,980,767.43 × 7,263,385,057.26
  4. Step 4: Simplify right side
    12,979,148,967x = 130,101,613,452,079,579,136
  5. Step 5: Solve for x
    x = 130,101,613,452,079,579,136/12,979,148,967
  6. Step 6: Final answer
    x = 10,023,893,999.74

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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.