Home / 670,125,173.60-1,005,282,238.80-210,015,365.60

Finding the Fourth Proportional to 670,125,173.60, 1,005,282,238.80 and 210,015,365.60

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Solution

The fourth proportional to 670,125,173.60, 1,005,282,238.80 and 210,015,365.60 is: 315,052,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,125,173.60 : 1,005,282,238.80 = 210,015,365.60 : x
  2. Step 2: Convert to fraction form
    670,125,173.60/1,005,282,238.80 = 210,015,365.60/x
  3. Step 3: Cross multiply
    670,125,173.60x = 1,005,282,238.80 × 210,015,365.60
  4. Step 4: Simplify right side
    670,125,173.60x = 211,124,716,912,768,480
  5. Step 5: Solve for x
    x = 211,124,716,912,768,480/670,125,173.60
  6. Step 6: Final answer
    x = 315,052,657.67

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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.