Home / 692,742,561.76-1,039,105,172.16-168,116,009.14

Finding the Fourth Proportional to 692,742,561.76, 1,039,105,172.16 and 168,116,009.14

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Solution

The fourth proportional to 692,742,561.76, 1,039,105,172.16 and 168,116,009.14 is: 252,171,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,742,561.76 : 1,039,105,172.16 = 168,116,009.14 : x
  2. Step 2: Convert to fraction form
    692,742,561.76/1,039,105,172.16 = 168,116,009.14/x
  3. Step 3: Cross multiply
    692,742,561.76x = 1,039,105,172.16 × 168,116,009.14
  4. Step 4: Simplify right side
    692,742,561.76x = 174,690,214,620,271,808
  5. Step 5: Solve for x
    x = 174,690,214,620,271,808/692,742,561.76
  6. Step 6: Final answer
    x = 252,171,909.54

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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.