Home / 788,083,601.72-1,087,560,288.77-430,852,148.09

Finding the Fourth Proportional to 788,083,601.72, 1,087,560,288.77 and 430,852,148.09

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Solution

The fourth proportional to 788,083,601.72, 1,087,560,288.77 and 430,852,148.09 is: 594,578,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,083,601.72 : 1,087,560,288.77 = 430,852,148.09 : x
  2. Step 2: Convert to fraction form
    788,083,601.72/1,087,560,288.77 = 430,852,148.09/x
  3. Step 3: Cross multiply
    788,083,601.72x = 1,087,560,288.77 × 430,852,148.09
  4. Step 4: Simplify right side
    788,083,601.72x = 468,577,686,593,935,168
  5. Step 5: Solve for x
    x = 468,577,686,593,935,168/788,083,601.72
  6. Step 6: Final answer
    x = 594,578,653.29

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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.