Home / 265,712,645.60-398,568,968.40-122,385,413.60

Finding the Fourth Proportional to 265,712,645.60, 398,568,968.40 and 122,385,413.60

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Solution

The fourth proportional to 265,712,645.60, 398,568,968.40 and 122,385,413.60 is: 183,578,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,712,645.60 : 398,568,968.40 = 122,385,413.60 : x
  2. Step 2: Convert to fraction form
    265,712,645.60/398,568,968.40 = 122,385,413.60/x
  3. Step 3: Cross multiply
    265,712,645.60x = 398,568,968.40 × 122,385,413.60
  4. Step 4: Simplify right side
    265,712,645.60x = 48,779,028,045,759,328
  5. Step 5: Solve for x
    x = 48,779,028,045,759,328/265,712,645.60
  6. Step 6: Final answer
    x = 183,578,120.40

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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.