Home / 936,282,019.20-1,292,069,162.94-518,621,208.84

Finding the Fourth Proportional to 936,282,019.20, 1,292,069,162.94 and 518,621,208.84

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Solution

The fourth proportional to 936,282,019.20, 1,292,069,162.94 and 518,621,208.84 is: 715,697,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,282,019.20 : 1,292,069,162.94 = 518,621,208.84 : x
  2. Step 2: Convert to fraction form
    936,282,019.20/1,292,069,162.94 = 518,621,208.84/x
  3. Step 3: Cross multiply
    936,282,019.20x = 1,292,069,162.94 × 518,621,208.84
  4. Step 4: Simplify right side
    936,282,019.20x = 670,094,471,188,829,696
  5. Step 5: Solve for x
    x = 670,094,471,188,829,696/936,282,019.20
  6. Step 6: Final answer
    x = 715,697,255.15

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1.5x scale

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.