Home / 14,618,679,543.89-20,173,896,220.96-8,100,879,747.05

Finding the Fourth Proportional to 14,618,679,543.89, 20,173,896,220.96 and 8,100,879,747.05

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Solution

The fourth proportional to 14,618,679,543.89, 20,173,896,220.96 and 8,100,879,747.05 is: 11,179,279,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618,679,543.89 : 20,173,896,220.96 = 8,100,879,747.05 : x
  2. Step 2: Convert to fraction form
    14,618,679,543.89/20,173,896,220.96 = 8,100,879,747.05/x
  3. Step 3: Cross multiply
    14,618,679,543.89x = 20,173,896,220.96 × 8,100,879,747.05
  4. Step 4: Simplify right side
    14,618,679,543.89x = 163,426,307,315,372,457,984
  5. Step 5: Solve for x
    x = 163,426,307,315,372,457,984/14,618,679,543.89
  6. Step 6: Final answer
    x = 11,179,279,689.71

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1.5x scale

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.