Home / 816,281,196.78-1,126,457,293.95-459,048,867.51

Finding the Fourth Proportional to 816,281,196.78, 1,126,457,293.95 and 459,048,867.51

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Solution

The fourth proportional to 816,281,196.78, 1,126,457,293.95 and 459,048,867.51 is: 633,481,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,281,196.78 : 1,126,457,293.95 = 459,048,867.51 : x
  2. Step 2: Convert to fraction form
    816,281,196.78/1,126,457,293.95 = 459,048,867.51/x
  3. Step 3: Cross multiply
    816,281,196.78x = 1,126,457,293.95 × 459,048,867.51
  4. Step 4: Simplify right side
    816,281,196.78x = 517,098,945,086,126,656
  5. Step 5: Solve for x
    x = 517,098,945,086,126,656/816,281,196.78
  6. Step 6: Final answer
    x = 633,481,387.45

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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.