Home / 768,242,496.87-1,152,364,576.57-359,585,625.51

Finding the Fourth Proportional to 768,242,496.87, 1,152,364,576.57 and 359,585,625.51

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Solution

The fourth proportional to 768,242,496.87, 1,152,364,576.57 and 359,585,625.51 is: 539,378,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,242,496.87 : 1,152,364,576.57 = 359,585,625.51 : x
  2. Step 2: Convert to fraction form
    768,242,496.87/1,152,364,576.57 = 359,585,625.51/x
  3. Step 3: Cross multiply
    768,242,496.87x = 1,152,364,576.57 × 359,585,625.51
  4. Step 4: Simplify right side
    768,242,496.87x = 414,373,737,080,590,784
  5. Step 5: Solve for x
    x = 414,373,737,080,590,784/768,242,496.87
  6. Step 6: Final answer
    x = 539,378,827.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.