Home / 19,076,994,681.72-28,618,600,386.06-5,632,637,593.98

Finding the Fourth Proportional to 19,076,994,681.72, 28,618,600,386.06 and 5,632,637,593.98

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Solution

The fourth proportional to 19,076,994,681.72, 28,618,600,386.06 and 5,632,637,593.98 is: 8,449,874,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076,994,681.72 : 28,618,600,386.06 = 5,632,637,593.98 : x
  2. Step 2: Convert to fraction form
    19,076,994,681.72/28,618,600,386.06 = 5,632,637,593.98/x
  3. Step 3: Cross multiply
    19,076,994,681.72x = 28,618,600,386.06 × 5,632,637,593.98
  4. Step 4: Simplify right side
    19,076,994,681.72x = 161,198,204,421,612,077,056
  5. Step 5: Solve for x
    x = 161,198,204,421,612,077,056/19,076,994,681.72
  6. Step 6: Final answer
    x = 8,449,874,160.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.