Home / 670,356,327.60-1,005,534,491.40-185,682,135.60

Finding the Fourth Proportional to 670,356,327.60, 1,005,534,491.40 and 185,682,135.60

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Solution

The fourth proportional to 670,356,327.60, 1,005,534,491.40 and 185,682,135.60 is: 278,523,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,356,327.60 : 1,005,534,491.40 = 185,682,135.60 : x
  2. Step 2: Convert to fraction form
    670,356,327.60/1,005,534,491.40 = 185,682,135.60/x
  3. Step 3: Cross multiply
    670,356,327.60x = 1,005,534,491.40 × 185,682,135.60
  4. Step 4: Simplify right side
    670,356,327.60x = 186,709,791,782,611,808
  5. Step 5: Solve for x
    x = 186,709,791,782,611,808/670,356,327.60
  6. Step 6: Final answer
    x = 278,523,203.40

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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.