Home / 531,505,541.60-797,258,312.40-208,389,413.60

Finding the Fourth Proportional to 531,505,541.60, 797,258,312.40 and 208,389,413.60

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Solution

The fourth proportional to 531,505,541.60, 797,258,312.40 and 208,389,413.60 is: 312,584,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,505,541.60 : 797,258,312.40 = 208,389,413.60 : x
  2. Step 2: Convert to fraction form
    531,505,541.60/797,258,312.40 = 208,389,413.60/x
  3. Step 3: Cross multiply
    531,505,541.60x = 797,258,312.40 × 208,389,413.60
  4. Step 4: Simplify right side
    531,505,541.60x = 166,140,192,208,761,600
  5. Step 5: Solve for x
    x = 166,140,192,208,761,600/531,505,541.60
  6. Step 6: Final answer
    x = 312,584,120.40

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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.