Home / 1,190,800,872.20-1,643,306,566.01-662,153,508.02

Finding the Fourth Proportional to 1,190,800,872.20, 1,643,306,566.01 and 662,153,508.02

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Solution

The fourth proportional to 1,190,800,872.20, 1,643,306,566.01 and 662,153,508.02 is: 913,772,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,800,872.20 : 1,643,306,566.01 = 662,153,508.02 : x
  2. Step 2: Convert to fraction form
    1,190,800,872.20/1,643,306,566.01 = 662,153,508.02/x
  3. Step 3: Cross multiply
    1,190,800,872.20x = 1,643,306,566.01 × 662,153,508.02
  4. Step 4: Simplify right side
    1,190,800,872.20x = 1,088,121,207,424,293,888
  5. Step 5: Solve for x
    x = 1,088,121,207,424,293,888/1,190,800,872.20
  6. Step 6: Final answer
    x = 913,772,598.62

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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.