Home / 1,185,241,922.88-1,635,734,295.99-656,771,678.16

Finding the Fourth Proportional to 1,185,241,922.88, 1,635,734,295.99 and 656,771,678.16

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Solution

The fourth proportional to 1,185,241,922.88, 1,635,734,295.99 and 656,771,678.16 is: 906,400,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,241,922.88 : 1,635,734,295.99 = 656,771,678.16 : x
  2. Step 2: Convert to fraction form
    1,185,241,922.88/1,635,734,295.99 = 656,771,678.16/x
  3. Step 3: Cross multiply
    1,185,241,922.88x = 1,635,734,295.99 × 656,771,678.16
  4. Step 4: Simplify right side
    1,185,241,922.88x = 1,074,303,958,601,218,432
  5. Step 5: Solve for x
    x = 1,074,303,958,601,218,432/1,185,241,922.88
  6. Step 6: Final answer
    x = 906,400,573.47

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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.