Home / 371,418,007.60-555,804,313.80-323,422,980.40

Finding the Fourth Proportional to 371,418,007.60, 555,804,313.80 and 323,422,980.40

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Solution

The fourth proportional to 371,418,007.60, 555,804,313.80 and 323,422,980.40 is: 483,982,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,418,007.60 : 555,804,313.80 = 323,422,980.40 : x
  2. Step 2: Convert to fraction form
    371,418,007.60/555,804,313.80 = 323,422,980.40/x
  3. Step 3: Cross multiply
    371,418,007.60x = 555,804,313.80 × 323,422,980.40
  4. Step 4: Simplify right side
    371,418,007.60x = 179,759,887,688,372,832
  5. Step 5: Solve for x
    x = 179,759,887,688,372,832/371,418,007.60
  6. Step 6: Final answer
    x = 483,982,693.38

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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.