Home / 512,593,416,039.90-707,313,897,968.58-281,046,004,075.16

Finding the Fourth Proportional to 512,593,416,039.90, 707,313,897,968.58 and 281,046,004,075.16

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Solution

The fourth proportional to 512,593,416,039.90, 707,313,897,968.58 and 281,046,004,075.16 is: 387,807,838,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,593,416,039.90 : 707,313,897,968.58 = 281,046,004,075.16 : x
  2. Step 2: Convert to fraction form
    512,593,416,039.90/707,313,897,968.58 = 281,046,004,075.16/x
  3. Step 3: Cross multiply
    512,593,416,039.90x = 707,313,897,968.58 × 281,046,004,075.16
  4. Step 4: Simplify right side
    512,593,416,039.90x = 198,787,744,650,894,793,244,672
  5. Step 5: Solve for x
    x = 198,787,744,650,894,793,244,672/512,593,416,039.90
  6. Step 6: Final answer
    x = 387,807,838,396.86

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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.