Home / 798,195,707.37-1,093,509,838.78-768,353,031.68

Finding the Fourth Proportional to 798,195,707.37, 1,093,509,838.78 and 768,353,031.68

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Solution

The fourth proportional to 798,195,707.37, 1,093,509,838.78 and 768,353,031.68 is: 1,052,626,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,195,707.37 : 1,093,509,838.78 = 768,353,031.68 : x
  2. Step 2: Convert to fraction form
    798,195,707.37/1,093,509,838.78 = 768,353,031.68/x
  3. Step 3: Cross multiply
    798,195,707.37x = 1,093,509,838.78 × 768,353,031.68
  4. Step 4: Simplify right side
    798,195,707.37x = 840,201,599,791,132,544
  5. Step 5: Solve for x
    x = 840,201,599,791,132,544/798,195,707.37
  6. Step 6: Final answer
    x = 1,052,626,056.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.