Home / 660,049,977,286.80-990,074,965,930.20-446,658,771,945.60

Finding the Fourth Proportional to 660,049,977,286.80, 990,074,965,930.20 and 446,658,771,945.60

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Solution

The fourth proportional to 660,049,977,286.80, 990,074,965,930.20 and 446,658,771,945.60 is: 669,988,157,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,049,977,286.80 : 990,074,965,930.20 = 446,658,771,945.60 : x
  2. Step 2: Convert to fraction form
    660,049,977,286.80/990,074,965,930.20 = 446,658,771,945.60/x
  3. Step 3: Cross multiply
    660,049,977,286.80x = 990,074,965,930.20 × 446,658,771,945.60
  4. Step 4: Simplify right side
    660,049,977,286.80x = 442,225,668,416,464,840,818,688
  5. Step 5: Solve for x
    x = 442,225,668,416,464,840,818,688/660,049,977,286.80
  6. Step 6: Final answer
    x = 669,988,157,918.40

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Double scale
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Similar ratio
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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.