Home / 5,213,128,652.40-7,819,692,978.60-5,213,128,652.40

Finding the Fourth Proportional to 5,213,128,652.40, 7,819,692,978.60 and 5,213,128,652.40

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Solution

The fourth proportional to 5,213,128,652.40, 7,819,692,978.60 and 5,213,128,652.40 is: 7,819,692,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,128,652.40 : 7,819,692,978.60 = 5,213,128,652.40 : x
  2. Step 2: Convert to fraction form
    5,213,128,652.40/7,819,692,978.60 = 5,213,128,652.40/x
  3. Step 3: Cross multiply
    5,213,128,652.40x = 7,819,692,978.60 × 5,213,128,652.40
  4. Step 4: Simplify right side
    5,213,128,652.40x = 40,765,065,519,710,756,864
  5. Step 5: Solve for x
    x = 40,765,065,519,710,756,864/5,213,128,652.40
  6. Step 6: Final answer
    x = 7,819,692,978.60

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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.