Home / 31,133,718,421.97-46,775,080,160.84-19,963,477,621.55

Finding the Fourth Proportional to 31,133,718,421.97, 46,775,080,160.84 and 19,963,477,621.55

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Solution

The fourth proportional to 31,133,718,421.97, 46,775,080,160.84 and 19,963,477,621.55 is: 29,992,988,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133,718,421.97 : 46,775,080,160.84 = 19,963,477,621.55 : x
  2. Step 2: Convert to fraction form
    31,133,718,421.97/46,775,080,160.84 = 19,963,477,621.55/x
  3. Step 3: Cross multiply
    31,133,718,421.97x = 46,775,080,160.84 × 19,963,477,621.55
  4. Step 4: Simplify right side
    31,133,718,421.97x = 933,793,266,037,310,095,360
  5. Step 5: Solve for x
    x = 933,793,266,037,310,095,360/31,133,718,421.97
  6. Step 6: Final answer
    x = 29,992,988,739.13

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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.