Home / 764,782,413.60-1,147,173,620.40-247,584,032.40

Finding the Fourth Proportional to 764,782,413.60, 1,147,173,620.40 and 247,584,032.40

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Solution

The fourth proportional to 764,782,413.60, 1,147,173,620.40 and 247,584,032.40 is: 371,376,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,782,413.60 : 1,147,173,620.40 = 247,584,032.40 : x
  2. Step 2: Convert to fraction form
    764,782,413.60/1,147,173,620.40 = 247,584,032.40/x
  3. Step 3: Cross multiply
    764,782,413.60x = 1,147,173,620.40 × 247,584,032.40
  4. Step 4: Simplify right side
    764,782,413.60x = 284,021,870,801,538,944
  5. Step 5: Solve for x
    x = 284,021,870,801,538,944/764,782,413.60
  6. Step 6: Final answer
    x = 371,376,048.60

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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.