Home / 418,903,593,457.03-628,355,398,489.25-100,549,792,181.43

Finding the Fourth Proportional to 418,903,593,457.03, 628,355,398,489.25 and 100,549,792,181.43

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Solution

The fourth proportional to 418,903,593,457.03, 628,355,398,489.25 and 100,549,792,181.43 is: 150,824,690,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,903,593,457.03 : 628,355,398,489.25 = 100,549,792,181.43 : x
  2. Step 2: Convert to fraction form
    418,903,593,457.03/628,355,398,489.25 = 100,549,792,181.43/x
  3. Step 3: Cross multiply
    418,903,593,457.03x = 628,355,398,489.25 × 100,549,792,181.43
  4. Step 4: Simplify right side
    418,903,593,457.03x = 63,181,004,734,173,720,608,768
  5. Step 5: Solve for x
    x = 63,181,004,734,173,720,608,768/418,903,593,457.03
  6. Step 6: Final answer
    x = 150,824,690,265.29

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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.