Home / 785,019,753.12-1,083,334,423.66-432,608,388.32

Finding the Fourth Proportional to 785,019,753.12, 1,083,334,423.66 and 432,608,388.32

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Solution

The fourth proportional to 785,019,753.12, 1,083,334,423.66 and 432,608,388.32 is: 597,003,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,019,753.12 : 1,083,334,423.66 = 432,608,388.32 : x
  2. Step 2: Convert to fraction form
    785,019,753.12/1,083,334,423.66 = 432,608,388.32/x
  3. Step 3: Cross multiply
    785,019,753.12x = 1,083,334,423.66 × 432,608,388.32
  4. Step 4: Simplify right side
    785,019,753.12x = 468,659,559,031,128,704
  5. Step 5: Solve for x
    x = 468,659,559,031,128,704/785,019,753.12
  6. Step 6: Final answer
    x = 597,003,524.01

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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.