Home / 12,649,059,427.32-17,455,703,664.36-7,010,639,297.52

Finding the Fourth Proportional to 12,649,059,427.32, 17,455,703,664.36 and 7,010,639,297.52

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Solution

The fourth proportional to 12,649,059,427.32, 17,455,703,664.36 and 7,010,639,297.52 is: 9,674,683,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649,059,427.32 : 17,455,703,664.36 = 7,010,639,297.52 : x
  2. Step 2: Convert to fraction form
    12,649,059,427.32/17,455,703,664.36 = 7,010,639,297.52/x
  3. Step 3: Cross multiply
    12,649,059,427.32x = 17,455,703,664.36 × 7,010,639,297.52
  4. Step 4: Simplify right side
    12,649,059,427.32x = 122,375,642,075,226,095,616
  5. Step 5: Solve for x
    x = 122,375,642,075,226,095,616/12,649,059,427.32
  6. Step 6: Final answer
    x = 9,674,683,147.66

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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.