Home / 768,242,495.75-1,152,364,574.88-359,585,624.39

Finding the Fourth Proportional to 768,242,495.75, 1,152,364,574.88 and 359,585,624.39

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Solution

The fourth proportional to 768,242,495.75, 1,152,364,574.88 and 359,585,624.39 is: 539,378,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,242,495.75 : 1,152,364,574.88 = 359,585,624.39 : x
  2. Step 2: Convert to fraction form
    768,242,495.75/1,152,364,574.88 = 359,585,624.39/x
  3. Step 3: Cross multiply
    768,242,495.75x = 1,152,364,574.88 × 359,585,624.39
  4. Step 4: Simplify right side
    768,242,495.75x = 414,373,735,177,379,904
  5. Step 5: Solve for x
    x = 414,373,735,177,379,904/768,242,495.75
  6. Step 6: Final answer
    x = 539,378,825.66

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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.