Home / 740,392,786.77-1,021,727,437.07-405,866,030.01

Finding the Fourth Proportional to 740,392,786.77, 1,021,727,437.07 and 405,866,030.01

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Solution

The fourth proportional to 740,392,786.77, 1,021,727,437.07 and 405,866,030.01 is: 560,087,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,392,786.77 : 1,021,727,437.07 = 405,866,030.01 : x
  2. Step 2: Convert to fraction form
    740,392,786.77/1,021,727,437.07 = 405,866,030.01/x
  3. Step 3: Cross multiply
    740,392,786.77x = 1,021,727,437.07 × 405,866,030.01
  4. Step 4: Simplify right side
    740,392,786.77x = 414,684,458,633,863,680
  5. Step 5: Solve for x
    x = 414,684,458,633,863,680/740,392,786.77
  6. Step 6: Final answer
    x = 560,087,113.28

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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.