Home / 1,649,990,418.61-2,476,075,995.94-776,841,490.61

Finding the Fourth Proportional to 1,649,990,418.61, 2,476,075,995.94 and 776,841,490.61

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Solution

The fourth proportional to 1,649,990,418.61, 2,476,075,995.94 and 776,841,490.61 is: 1,165,775,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,990,418.61 : 2,476,075,995.94 = 776,841,490.61 : x
  2. Step 2: Convert to fraction form
    1,649,990,418.61/2,476,075,995.94 = 776,841,490.61/x
  3. Step 3: Cross multiply
    1,649,990,418.61x = 2,476,075,995.94 × 776,841,490.61
  4. Step 4: Simplify right side
    1,649,990,418.61x = 1,923,518,567,549,669,888
  5. Step 5: Solve for x
    x = 1,923,518,567,549,669,888/1,649,990,418.61
  6. Step 6: Final answer
    x = 1,165,775,598.36

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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.