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Finding the Fourth Proportional to 1,585,656,435.60, 2,378,484,653.40 and 1,585,656,435.60

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Solution

The fourth proportional to 1,585,656,435.60, 2,378,484,653.40 and 1,585,656,435.60 is: 2,378,484,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,656,435.60 : 2,378,484,653.40 = 1,585,656,435.60 : x
  2. Step 2: Convert to fraction form
    1,585,656,435.60/2,378,484,653.40 = 1,585,656,435.60/x
  3. Step 3: Cross multiply
    1,585,656,435.60x = 2,378,484,653.40 × 1,585,656,435.60
  4. Step 4: Simplify right side
    1,585,656,435.60x = 3,771,459,497,639,545,344
  5. Step 5: Solve for x
    x = 3,771,459,497,639,545,344/1,585,656,435.60
  6. Step 6: Final answer
    x = 2,378,484,653.40

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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.