Home / 670,133,145.60-1,005,294,196.80-210,023,337.60

Finding the Fourth Proportional to 670,133,145.60, 1,005,294,196.80 and 210,023,337.60

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Solution

The fourth proportional to 670,133,145.60, 1,005,294,196.80 and 210,023,337.60 is: 315,064,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,133,145.60 : 1,005,294,196.80 = 210,023,337.60 : x
  2. Step 2: Convert to fraction form
    670,133,145.60/1,005,294,196.80 = 210,023,337.60/x
  3. Step 3: Cross multiply
    670,133,145.60x = 1,005,294,196.80 × 210,023,337.60
  4. Step 4: Simplify right side
    670,133,145.60x = 211,135,242,481,847,232
  5. Step 5: Solve for x
    x = 211,135,242,481,847,232/670,133,145.60
  6. Step 6: Final answer
    x = 315,064,616.44

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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.