Home / 421,879,877,675.52-582,244,142,039.34-250,602,485,862.12

Finding the Fourth Proportional to 421,879,877,675.52, 582,244,142,039.34 and 250,602,485,862.12

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Solution

The fourth proportional to 421,879,877,675.52, 582,244,142,039.34 and 250,602,485,862.12 is: 345,861,078,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,879,877,675.52 : 582,244,142,039.34 = 250,602,485,862.12 : x
  2. Step 2: Convert to fraction form
    421,879,877,675.52/582,244,142,039.34 = 250,602,485,862.12/x
  3. Step 3: Cross multiply
    421,879,877,675.52x = 582,244,142,039.34 × 250,602,485,862.12
  4. Step 4: Simplify right side
    421,879,877,675.52x = 145,911,829,373,715,887,423,488
  5. Step 5: Solve for x
    x = 145,911,829,373,715,887,423,488/421,879,877,675.52
  6. Step 6: Final answer
    x = 345,861,078,223.65

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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.