Home / 31,417,368,699.61-43,355,611,646.84-17,144,439,162.18

Finding the Fourth Proportional to 31,417,368,699.61, 43,355,611,646.84 and 17,144,439,162.18

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Solution

The fourth proportional to 31,417,368,699.61, 43,355,611,646.84 and 17,144,439,162.18 is: 23,659,131,142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,417,368,699.61 : 43,355,611,646.84 = 17,144,439,162.18 : x
  2. Step 2: Convert to fraction form
    31,417,368,699.61/43,355,611,646.84 = 17,144,439,162.18/x
  3. Step 3: Cross multiply
    31,417,368,699.61x = 43,355,611,646.84 × 17,144,439,162.18
  4. Step 4: Simplify right side
    31,417,368,699.61x = 743,307,646,218,255,335,424
  5. Step 5: Solve for x
    x = 743,307,646,218,255,335,424/31,417,368,699.61
  6. Step 6: Final answer
    x = 23,659,131,142.56

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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.