Home / 421,879,877,681.28-582,244,142,047.28-250,602,485,867.86

Finding the Fourth Proportional to 421,879,877,681.28, 582,244,142,047.28 and 250,602,485,867.86

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Solution

The fourth proportional to 421,879,877,681.28, 582,244,142,047.28 and 250,602,485,867.86 is: 345,861,078,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,879,877,681.28 : 582,244,142,047.28 = 250,602,485,867.86 : x
  2. Step 2: Convert to fraction form
    421,879,877,681.28/582,244,142,047.28 = 250,602,485,867.86/x
  3. Step 3: Cross multiply
    421,879,877,681.28x = 582,244,142,047.28 × 250,602,485,867.86
  4. Step 4: Simplify right side
    421,879,877,681.28x = 145,911,829,379,047,753,777,152
  5. Step 5: Solve for x
    x = 145,911,829,379,047,753,777,152/421,879,877,681.28
  6. Step 6: Final answer
    x = 345,861,078,231.56

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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.