Home / 847,128,512.25-1,168,674,716.67-529,036,523.16

Finding the Fourth Proportional to 847,128,512.25, 1,168,674,716.67 and 529,036,523.16

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Solution

The fourth proportional to 847,128,512.25, 1,168,674,716.67 and 529,036,523.16 is: 729,843,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,128,512.25 : 1,168,674,716.67 = 529,036,523.16 : x
  2. Step 2: Convert to fraction form
    847,128,512.25/1,168,674,716.67 = 529,036,523.16/x
  3. Step 3: Cross multiply
    847,128,512.25x = 1,168,674,716.67 × 529,036,523.16
  4. Step 4: Simplify right side
    847,128,512.25x = 618,271,608,812,094,976
  5. Step 5: Solve for x
    x = 618,271,608,812,094,976/847,128,512.25
  6. Step 6: Final answer
    x = 729,843,937.34

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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.