Home / 11,998,777,877.16-16,558,312,051.78-7,176,142,117.33

Finding the Fourth Proportional to 11,998,777,877.16, 16,558,312,051.78 and 7,176,142,117.33

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Solution

The fourth proportional to 11,998,777,877.16, 16,558,312,051.78 and 7,176,142,117.33 is: 9,903,075,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998,777,877.16 : 16,558,312,051.78 = 7,176,142,117.33 : x
  2. Step 2: Convert to fraction form
    11,998,777,877.16/16,558,312,051.78 = 7,176,142,117.33/x
  3. Step 3: Cross multiply
    11,998,777,877.16x = 16,558,312,051.78 × 7,176,142,117.33
  4. Step 4: Simplify right side
    11,998,777,877.16x = 118,824,800,506,617,282,560
  5. Step 5: Solve for x
    x = 118,824,800,506,617,282,560/11,998,777,877.16
  6. Step 6: Final answer
    x = 9,903,075,273.42

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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.