Home / 519,623,017.35-717,073,788.15-281,463,711.91

Finding the Fourth Proportional to 519,623,017.35, 717,073,788.15 and 281,463,711.91

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Solution

The fourth proportional to 519,623,017.35, 717,073,788.15 and 281,463,711.91 is: 388,416,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,623,017.35 : 717,073,788.15 = 281,463,711.91 : x
  2. Step 2: Convert to fraction form
    519,623,017.35/717,073,788.15 = 281,463,711.91/x
  3. Step 3: Cross multiply
    519,623,017.35x = 717,073,788.15 × 281,463,711.91
  4. Step 4: Simplify right side
    519,623,017.35x = 201,830,250,124,271,296
  5. Step 5: Solve for x
    x = 201,830,250,124,271,296/519,623,017.35
  6. Step 6: Final answer
    x = 388,416,685.53

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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.