Home / 692,742,560.76-1,039,105,170.66-168,116,008.14

Finding the Fourth Proportional to 692,742,560.76, 1,039,105,170.66 and 168,116,008.14

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Solution

The fourth proportional to 692,742,560.76, 1,039,105,170.66 and 168,116,008.14 is: 252,171,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,742,560.76 : 1,039,105,170.66 = 168,116,008.14 : x
  2. Step 2: Convert to fraction form
    692,742,560.76/1,039,105,170.66 = 168,116,008.14/x
  3. Step 3: Cross multiply
    692,742,560.76x = 1,039,105,170.66 × 168,116,008.14
  4. Step 4: Simplify right side
    692,742,560.76x = 174,690,213,328,992,640
  5. Step 5: Solve for x
    x = 174,690,213,328,992,640/692,742,560.76
  6. Step 6: Final answer
    x = 252,171,908.04

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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.