Home / 1,036,389,911.40-1,554,584,867.10-336,880,695.15

Finding the Fourth Proportional to 1,036,389,911.40, 1,554,584,867.10 and 336,880,695.15

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Solution

The fourth proportional to 1,036,389,911.40, 1,554,584,867.10 and 336,880,695.15 is: 505,321,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,389,911.40 : 1,554,584,867.10 = 336,880,695.15 : x
  2. Step 2: Convert to fraction form
    1,036,389,911.40/1,554,584,867.10 = 336,880,695.15/x
  3. Step 3: Cross multiply
    1,036,389,911.40x = 1,554,584,867.10 × 336,880,695.15
  4. Step 4: Simplify right side
    1,036,389,911.40x = 523,709,630,698,318,272
  5. Step 5: Solve for x
    x = 523,709,630,698,318,272/1,036,389,911.40
  6. Step 6: Final answer
    x = 505,321,042.73

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Half scale
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Double scale
Find fourth proportional to 1,036,389,912.40, 1,554,584,868.60 and 336,880,696.15
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.