Home / 735,512,904.12-1,102,937,346.90-210,761,980.32

Finding the Fourth Proportional to 735,512,904.12, 1,102,937,346.90 and 210,761,980.32

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Solution

The fourth proportional to 735,512,904.12, 1,102,937,346.90 and 210,761,980.32 is: 316,047,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,512,904.12 : 1,102,937,346.90 = 210,761,980.32 : x
  2. Step 2: Convert to fraction form
    735,512,904.12/1,102,937,346.90 = 210,761,980.32/x
  3. Step 3: Cross multiply
    735,512,904.12x = 1,102,937,346.90 × 210,761,980.32
  4. Step 4: Simplify right side
    735,512,904.12x = 232,457,259,401,530,816
  5. Step 5: Solve for x
    x = 232,457,259,401,530,816/735,512,904.12
  6. Step 6: Final answer
    x = 316,047,832.88

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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.