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Finding the Fourth Proportional to 1,179,880,693.40, 1,648,771,870.60 and 1,179,880,693.40

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Solution

The fourth proportional to 1,179,880,693.40, 1,648,771,870.60 and 1,179,880,693.40 is: 1,648,771,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,880,693.40 : 1,648,771,870.60 = 1,179,880,693.40 : x
  2. Step 2: Convert to fraction form
    1,179,880,693.40/1,648,771,870.60 = 1,179,880,693.40/x
  3. Step 3: Cross multiply
    1,179,880,693.40x = 1,648,771,870.60 × 1,179,880,693.40
  4. Step 4: Simplify right side
    1,179,880,693.40x = 1,945,354,097,941,943,040
  5. Step 5: Solve for x
    x = 1,945,354,097,941,943,040/1,179,880,693.40
  6. Step 6: Final answer
    x = 1,648,771,870.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.