Home / 885,723,136.80-1,328,584,705.20-425,550,343.20

Finding the Fourth Proportional to 885,723,136.80, 1,328,584,705.20 and 425,550,343.20

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Solution

The fourth proportional to 885,723,136.80, 1,328,584,705.20 and 425,550,343.20 is: 638,325,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,723,136.80 : 1,328,584,705.20 = 425,550,343.20 : x
  2. Step 2: Convert to fraction form
    885,723,136.80/1,328,584,705.20 = 425,550,343.20/x
  3. Step 3: Cross multiply
    885,723,136.80x = 1,328,584,705.20 × 425,550,343.20
  4. Step 4: Simplify right side
    885,723,136.80x = 565,379,677,268,130,816
  5. Step 5: Solve for x
    x = 565,379,677,268,130,816/885,723,136.80
  6. Step 6: Final answer
    x = 638,325,514.80

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1.5x scale

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.