Home / 2,038,422,691.53-2,812,979,208.66-1,180,133,459.64

Finding the Fourth Proportional to 2,038,422,691.53, 2,812,979,208.66 and 1,180,133,459.64

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Solution

The fourth proportional to 2,038,422,691.53, 2,812,979,208.66 and 1,180,133,459.64 is: 1,628,558,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038,422,691.53 : 2,812,979,208.66 = 1,180,133,459.64 : x
  2. Step 2: Convert to fraction form
    2,038,422,691.53/2,812,979,208.66 = 1,180,133,459.64/x
  3. Step 3: Cross multiply
    2,038,422,691.53x = 2,812,979,208.66 × 1,180,133,459.64
  4. Step 4: Simplify right side
    2,038,422,691.53x = 3,319,690,885,411,315,200
  5. Step 5: Solve for x
    x = 3,319,690,885,411,315,200/2,038,422,691.53
  6. Step 6: Final answer
    x = 1,628,558,639.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.