Home / 870,015,185.04-1,200,723,190.26-488,599,903.09

Finding the Fourth Proportional to 870,015,185.04, 1,200,723,190.26 and 488,599,903.09

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Solution

The fourth proportional to 870,015,185.04, 1,200,723,190.26 and 488,599,903.09 is: 674,325,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,015,185.04 : 1,200,723,190.26 = 488,599,903.09 : x
  2. Step 2: Convert to fraction form
    870,015,185.04/1,200,723,190.26 = 488,599,903.09/x
  3. Step 3: Cross multiply
    870,015,185.04x = 1,200,723,190.26 × 488,599,903.09
  4. Step 4: Simplify right side
    870,015,185.04x = 586,673,234,406,122,112
  5. Step 5: Solve for x
    x = 586,673,234,406,122,112/870,015,185.04
  6. Step 6: Final answer
    x = 674,325,281.33

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Double scale
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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.