Home / 1,513,172,533.53-2,269,678,087.41-407,759,642.58

Finding the Fourth Proportional to 1,513,172,533.53, 2,269,678,087.41 and 407,759,642.58

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Solution

The fourth proportional to 1,513,172,533.53, 2,269,678,087.41 and 407,759,642.58 is: 611,617,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,172,533.53 : 2,269,678,087.41 = 407,759,642.58 : x
  2. Step 2: Convert to fraction form
    1,513,172,533.53/2,269,678,087.41 = 407,759,642.58/x
  3. Step 3: Cross multiply
    1,513,172,533.53x = 2,269,678,087.41 × 407,759,642.58
  4. Step 4: Simplify right side
    1,513,172,533.53x = 925,483,125,693,959,552
  5. Step 5: Solve for x
    x = 925,483,125,693,959,552/1,513,172,533.53
  6. Step 6: Final answer
    x = 611,617,713.90

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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.