Home / 12,776,193,049.40-19,147,159,243.56-9,943,407,955.40

Finding the Fourth Proportional to 12,776,193,049.40, 19,147,159,243.56 and 9,943,407,955.40

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Solution

The fourth proportional to 12,776,193,049.40, 19,147,159,243.56 and 9,943,407,955.40 is: 14,901,779,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,193,049.40 : 19,147,159,243.56 = 9,943,407,955.40 : x
  2. Step 2: Convert to fraction form
    12,776,193,049.40/19,147,159,243.56 = 9,943,407,955.40/x
  3. Step 3: Cross multiply
    12,776,193,049.40x = 19,147,159,243.56 × 9,943,407,955.40
  4. Step 4: Simplify right side
    12,776,193,049.40x = 190,388,015,545,725,157,376
  5. Step 5: Solve for x
    x = 190,388,015,545,725,157,376/12,776,193,049.40
  6. Step 6: Final answer
    x = 14,901,779,803.23

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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.