Home / 11,998,777,878.16-16,558,312,053.16-7,176,142,118.33

Finding the Fourth Proportional to 11,998,777,878.16, 16,558,312,053.16 and 7,176,142,118.33

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Solution

The fourth proportional to 11,998,777,878.16, 16,558,312,053.16 and 7,176,142,118.33 is: 9,903,075,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998,777,878.16 : 16,558,312,053.16 = 7,176,142,118.33 : x
  2. Step 2: Convert to fraction form
    11,998,777,878.16/16,558,312,053.16 = 7,176,142,118.33/x
  3. Step 3: Cross multiply
    11,998,777,878.16x = 16,558,312,053.16 × 7,176,142,118.33
  4. Step 4: Simplify right side
    11,998,777,878.16x = 118,824,800,533,132,771,328
  5. Step 5: Solve for x
    x = 118,824,800,533,132,771,328/11,998,777,878.16
  6. Step 6: Final answer
    x = 9,903,075,274.81

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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.