Home / 660,582,328.60-990,842,000.10-223,840,178.20

Finding the Fourth Proportional to 660,582,328.60, 990,842,000.10 and 223,840,178.20

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Solution

The fourth proportional to 660,582,328.60, 990,842,000.10 and 223,840,178.20 is: 335,749,595.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,582,328.60 : 990,842,000.10 = 223,840,178.20 : x
  2. Step 2: Convert to fraction form
    660,582,328.60/990,842,000.10 = 223,840,178.20/x
  3. Step 3: Cross multiply
    660,582,328.60x = 990,842,000.10 × 223,840,178.20
  4. Step 4: Simplify right side
    660,582,328.60x = 221,790,249,870,428,416
  5. Step 5: Solve for x
    x = 221,790,249,870,428,416/660,582,328.60
  6. Step 6: Final answer
    x = 335,749,595.88

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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.