Home / 660,595,409.60-990,861,621.60-223,853,259.20

Finding the Fourth Proportional to 660,595,409.60, 990,861,621.60 and 223,853,259.20

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Solution

The fourth proportional to 660,595,409.60, 990,861,621.60 and 223,853,259.20 is: 335,769,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,595,409.60 : 990,861,621.60 = 223,853,259.20 : x
  2. Step 2: Convert to fraction form
    660,595,409.60/990,861,621.60 = 223,853,259.20/x
  3. Step 3: Cross multiply
    660,595,409.60x = 990,861,621.60 × 223,853,259.20
  4. Step 4: Simplify right side
    660,595,409.60x = 221,807,603,411,357,120
  5. Step 5: Solve for x
    x = 221,807,603,411,357,120/660,595,409.60
  6. Step 6: Final answer
    x = 335,769,216.96

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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.