Home / 938,056,581-1,406,169,857.88-446,637,812.22

Finding the Fourth Proportional to 938,056,581, 1,406,169,857.88 and 446,637,812.22

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Solution

The fourth proportional to 938,056,581, 1,406,169,857.88 and 446,637,812.22 is: 669,521,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,056,581 : 1,406,169,857.88 = 446,637,812.22 : x
  2. Step 2: Convert to fraction form
    938,056,581/1,406,169,857.88 = 446,637,812.22/x
  3. Step 3: Cross multiply
    938,056,581x = 1,406,169,857.88 × 446,637,812.22
  4. Step 4: Simplify right side
    938,056,581x = 628,048,628,933,231,616
  5. Step 5: Solve for x
    x = 628,048,628,933,231,616/938,056,581
  6. Step 6: Final answer
    x = 669,521,051.99

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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.