Home / 553,235,783.30-829,617,449.55-320,227,329.05

Finding the Fourth Proportional to 553,235,783.30, 829,617,449.55 and 320,227,329.05

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Solution

The fourth proportional to 553,235,783.30, 829,617,449.55 and 320,227,329.05 is: 480,204,260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,235,783.30 : 829,617,449.55 = 320,227,329.05 : x
  2. Step 2: Convert to fraction form
    553,235,783.30/829,617,449.55 = 320,227,329.05/x
  3. Step 3: Cross multiply
    553,235,783.30x = 829,617,449.55 × 320,227,329.05
  4. Step 4: Simplify right side
    553,235,783.30x = 265,666,180,005,162,912
  5. Step 5: Solve for x
    x = 265,666,180,005,162,912/553,235,783.30
  6. Step 6: Final answer
    x = 480,204,260.14

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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.