Home / 34,364,839,431.86-47,427,606,864.48-20,816,079,051.51

Finding the Fourth Proportional to 34,364,839,431.86, 47,427,606,864.48 and 20,816,079,051.51

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Solution

The fourth proportional to 34,364,839,431.86, 47,427,606,864.48 and 20,816,079,051.51 is: 28,728,689,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,364,839,431.86 : 47,427,606,864.48 = 20,816,079,051.51 : x
  2. Step 2: Convert to fraction form
    34,364,839,431.86/47,427,606,864.48 = 20,816,079,051.51/x
  3. Step 3: Cross multiply
    34,364,839,431.86x = 47,427,606,864.48 × 20,816,079,051.51
  4. Step 4: Simplify right side
    34,364,839,431.86x = 987,256,813,714,953,994,240
  5. Step 5: Solve for x
    x = 987,256,813,714,953,994,240/34,364,839,431.86
  6. Step 6: Final answer
    x = 28,728,689,848.03

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1.5x scale

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.