Home / 831,670,538.60-1,147,714,413.20-460,398,770.12

Finding the Fourth Proportional to 831,670,538.60, 1,147,714,413.20 and 460,398,770.12

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Solution

The fourth proportional to 831,670,538.60, 1,147,714,413.20 and 460,398,770.12 is: 635,355,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,670,538.60 : 1,147,714,413.20 = 460,398,770.12 : x
  2. Step 2: Convert to fraction form
    831,670,538.60/1,147,714,413.20 = 460,398,770.12/x
  3. Step 3: Cross multiply
    831,670,538.60x = 1,147,714,413.20 × 460,398,770.12
  4. Step 4: Simplify right side
    831,670,538.60x = 528,406,304,278,236,928
  5. Step 5: Solve for x
    x = 528,406,304,278,236,928/831,670,538.60
  6. Step 6: Final answer
    x = 635,355,323.72

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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.