Home / 1,674,265,128.80-2,511,397,693.20-509,724,370.40

Finding the Fourth Proportional to 1,674,265,128.80, 2,511,397,693.20 and 509,724,370.40

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Solution

The fourth proportional to 1,674,265,128.80, 2,511,397,693.20 and 509,724,370.40 is: 764,586,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,265,128.80 : 2,511,397,693.20 = 509,724,370.40 : x
  2. Step 2: Convert to fraction form
    1,674,265,128.80/2,511,397,693.20 = 509,724,370.40/x
  3. Step 3: Cross multiply
    1,674,265,128.80x = 2,511,397,693.20 × 509,724,370.40
  4. Step 4: Simplify right side
    1,674,265,128.80x = 1,280,120,607,990,382,080
  5. Step 5: Solve for x
    x = 1,280,120,607,990,382,080/1,674,265,128.80
  6. Step 6: Final answer
    x = 764,586,555.60

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Double scale
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Similar ratio
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1.5x scale

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.