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Finding the Fourth Proportional to 570,303,169.63, 786,883,470.01 and 322,784,523.88

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Solution

The fourth proportional to 570,303,169.63, 786,883,470.01 and 322,784,523.88 is: 445,366,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,303,169.63 : 786,883,470.01 = 322,784,523.88 : x
  2. Step 2: Convert to fraction form
    570,303,169.63/786,883,470.01 = 322,784,523.88/x
  3. Step 3: Cross multiply
    570,303,169.63x = 786,883,470.01 × 322,784,523.88
  4. Step 4: Simplify right side
    570,303,169.63x = 253,993,806,214,606,176
  5. Step 5: Solve for x
    x = 253,993,806,214,606,176/570,303,169.63
  6. Step 6: Final answer
    x = 445,366,288.92

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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.