Home / 1,983,449,164.96-2,730,929,366.16-1,685,462,891.68

Finding the Fourth Proportional to 1,983,449,164.96, 2,730,929,366.16 and 1,685,462,891.68

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Solution

The fourth proportional to 1,983,449,164.96, 2,730,929,366.16 and 1,685,462,891.68 is: 2,320,644,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,449,164.96 : 2,730,929,366.16 = 1,685,462,891.68 : x
  2. Step 2: Convert to fraction form
    1,983,449,164.96/2,730,929,366.16 = 1,685,462,891.68/x
  3. Step 3: Cross multiply
    1,983,449,164.96x = 2,730,929,366.16 × 1,685,462,891.68
  4. Step 4: Simplify right side
    1,983,449,164.96x = 4,602,880,106,461,862,912
  5. Step 5: Solve for x
    x = 4,602,880,106,461,862,912/1,983,449,164.96
  6. Step 6: Final answer
    x = 2,320,644,354.18

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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.