Home / 511,746,977.16-767,619,869.58-166,700,047.32

Finding the Fourth Proportional to 511,746,977.16, 767,619,869.58 and 166,700,047.32

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Solution

The fourth proportional to 511,746,977.16, 767,619,869.58 and 166,700,047.32 is: 250,049,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,746,977.16 : 767,619,869.58 = 166,700,047.32 : x
  2. Step 2: Convert to fraction form
    511,746,977.16/767,619,869.58 = 166,700,047.32/x
  3. Step 3: Cross multiply
    511,746,977.16x = 767,619,869.58 × 166,700,047.32
  4. Step 4: Simplify right side
    511,746,977.16x = 127,962,268,582,758,224
  5. Step 5: Solve for x
    x = 127,962,268,582,758,224/511,746,977.16
  6. Step 6: Final answer
    x = 250,049,876.78

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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.