Home / 1,641,015,920.40-2,461,523,880.60-492,158,576.40

Finding the Fourth Proportional to 1,641,015,920.40, 2,461,523,880.60 and 492,158,576.40

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Solution

The fourth proportional to 1,641,015,920.40, 2,461,523,880.60 and 492,158,576.40 is: 738,237,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,015,920.40 : 2,461,523,880.60 = 492,158,576.40 : x
  2. Step 2: Convert to fraction form
    1,641,015,920.40/2,461,523,880.60 = 492,158,576.40/x
  3. Step 3: Cross multiply
    1,641,015,920.40x = 2,461,523,880.60 × 492,158,576.40
  4. Step 4: Simplify right side
    1,641,015,920.40x = 1,211,460,088,850,699,520
  5. Step 5: Solve for x
    x = 1,211,460,088,850,699,520/1,641,015,920.40
  6. Step 6: Final answer
    x = 738,237,864.60

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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.