Home / 1,036,390,012.65-1,554,585,018.98-336,880,796.40

Finding the Fourth Proportional to 1,036,390,012.65, 1,554,585,018.98 and 336,880,796.40

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Solution

The fourth proportional to 1,036,390,012.65, 1,554,585,018.98 and 336,880,796.40 is: 505,321,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,390,012.65 : 1,554,585,018.98 = 336,880,796.40 : x
  2. Step 2: Convert to fraction form
    1,036,390,012.65/1,554,585,018.98 = 336,880,796.40/x
  3. Step 3: Cross multiply
    1,036,390,012.65x = 1,554,585,018.98 × 336,880,796.40
  4. Step 4: Simplify right side
    1,036,390,012.65x = 523,709,839,263,807,040
  5. Step 5: Solve for x
    x = 523,709,839,263,807,040/1,036,390,012.65
  6. Step 6: Final answer
    x = 505,321,194.60

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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.