Home / 1,439,048,808.45-2,158,573,212.68-1,439,048,808.45

Finding the Fourth Proportional to 1,439,048,808.45, 2,158,573,212.68 and 1,439,048,808.45

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Solution

The fourth proportional to 1,439,048,808.45, 2,158,573,212.68 and 1,439,048,808.45 is: 2,158,573,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,048,808.45 : 2,158,573,212.68 = 1,439,048,808.45 : x
  2. Step 2: Convert to fraction form
    1,439,048,808.45/2,158,573,212.68 = 1,439,048,808.45/x
  3. Step 3: Cross multiply
    1,439,048,808.45x = 2,158,573,212.68 × 1,439,048,808.45
  4. Step 4: Simplify right side
    1,439,048,808.45x = 3,106,292,209,652,047,360
  5. Step 5: Solve for x
    x = 3,106,292,209,652,047,360/1,439,048,808.45
  6. Step 6: Final answer
    x = 2,158,573,212.68

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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.