Home / 669,353,022.40-1,004,029,533.60-665,526,647.20

Finding the Fourth Proportional to 669,353,022.40, 1,004,029,533.60 and 665,526,647.20

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Solution

The fourth proportional to 669,353,022.40, 1,004,029,533.60 and 665,526,647.20 is: 998,289,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,353,022.40 : 1,004,029,533.60 = 665,526,647.20 : x
  2. Step 2: Convert to fraction form
    669,353,022.40/1,004,029,533.60 = 665,526,647.20/x
  3. Step 3: Cross multiply
    669,353,022.40x = 1,004,029,533.60 × 665,526,647.20
  4. Step 4: Simplify right side
    669,353,022.40x = 668,208,409,186,587,776
  5. Step 5: Solve for x
    x = 668,208,409,186,587,776/669,353,022.40
  6. Step 6: Final answer
    x = 998,289,970.80

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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.