Home / 1,461,686,025.47-2,192,657,939.99-412,433,431.34

Finding the Fourth Proportional to 1,461,686,025.47, 2,192,657,939.99 and 412,433,431.34

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Solution

The fourth proportional to 1,461,686,025.47, 2,192,657,939.99 and 412,433,431.34 is: 618,686,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,686,025.47 : 2,192,657,939.99 = 412,433,431.34 : x
  2. Step 2: Convert to fraction form
    1,461,686,025.47/2,192,657,939.99 = 412,433,431.34/x
  3. Step 3: Cross multiply
    1,461,686,025.47x = 2,192,657,939.99 × 412,433,431.34
  4. Step 4: Simplify right side
    1,461,686,025.47x = 904,325,437,942,909,312
  5. Step 5: Solve for x
    x = 904,325,437,942,909,312/1,461,686,025.47
  6. Step 6: Final answer
    x = 618,686,518.30

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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.