Home / 1,022,169,197.42-1,411,757,059.38-687,059,926.88

Finding the Fourth Proportional to 1,022,169,197.42, 1,411,757,059.38 and 687,059,926.88

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Solution

The fourth proportional to 1,022,169,197.42, 1,411,757,059.38 and 687,059,926.88 is: 948,924,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,169,197.42 : 1,411,757,059.38 = 687,059,926.88 : x
  2. Step 2: Convert to fraction form
    1,022,169,197.42/1,411,757,059.38 = 687,059,926.88/x
  3. Step 3: Cross multiply
    1,022,169,197.42x = 1,411,757,059.38 × 687,059,926.88
  4. Step 4: Simplify right side
    1,022,169,197.42x = 969,961,701,989,946,752
  5. Step 5: Solve for x
    x = 969,961,701,989,946,752/1,022,169,197.42
  6. Step 6: Final answer
    x = 948,924,800.75

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Half scale
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Double scale
Find fourth proportional to 1,022,169,198.42, 1,411,757,060.76 and 687,059,927.88
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.