Home / 578,505,705.60-867,765,621.76-169,570,125.12

Finding the Fourth Proportional to 578,505,705.60, 867,765,621.76 and 169,570,125.12

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Solution

The fourth proportional to 578,505,705.60, 867,765,621.76 and 169,570,125.12 is: 254,357,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,505,705.60 : 867,765,621.76 = 169,570,125.12 : x
  2. Step 2: Convert to fraction form
    578,505,705.60/867,765,621.76 = 169,570,125.12/x
  3. Step 3: Cross multiply
    578,505,705.60x = 867,765,621.76 × 169,570,125.12
  4. Step 4: Simplify right side
    578,505,705.60x = 147,147,125,056,677,792
  5. Step 5: Solve for x
    x = 147,147,125,056,677,792/578,505,705.60
  6. Step 6: Final answer
    x = 254,357,258.07

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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.