Home / 1,419,739,921.24-1,958,905,190.46-824,670,871

Finding the Fourth Proportional to 1,419,739,921.24, 1,958,905,190.46 and 824,670,871

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Solution

The fourth proportional to 1,419,739,921.24, 1,958,905,190.46 and 824,670,871 is: 1,137,850,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,739,921.24 : 1,958,905,190.46 = 824,670,871 : x
  2. Step 2: Convert to fraction form
    1,419,739,921.24/1,958,905,190.46 = 824,670,871/x
  3. Step 3: Cross multiply
    1,419,739,921.24x = 1,958,905,190.46 × 824,670,871
  4. Step 4: Simplify right side
    1,419,739,921.24x = 1,615,452,049,623,069,184
  5. Step 5: Solve for x
    x = 1,615,452,049,623,069,184/1,419,739,921.24
  6. Step 6: Final answer
    x = 1,137,850,690.44

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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.