Home / 12,776,211,486.88-19,147,186,890.96-9,943,426,484.08

Finding the Fourth Proportional to 12,776,211,486.88, 19,147,186,890.96 and 9,943,426,484.08

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Solution

The fourth proportional to 12,776,211,486.88, 19,147,186,890.96 and 9,943,426,484.08 is: 14,901,807,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,211,486.88 : 19,147,186,890.96 = 9,943,426,484.08 : x
  2. Step 2: Convert to fraction form
    12,776,211,486.88/19,147,186,890.96 = 9,943,426,484.08/x
  3. Step 3: Cross multiply
    12,776,211,486.88x = 19,147,186,890.96 × 9,943,426,484.08
  4. Step 4: Simplify right side
    12,776,211,486.88x = 190,388,645,227,201,036,288
  5. Step 5: Solve for x
    x = 190,388,645,227,201,036,288/12,776,211,486.88
  6. Step 6: Final answer
    x = 14,901,807,583.78

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1.5x scale

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.