Home / 12,908,590,865.16-17,813,385,091.26-7,192,579,955.64

Finding the Fourth Proportional to 12,908,590,865.16, 17,813,385,091.26 and 7,192,579,955.64

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Solution

The fourth proportional to 12,908,590,865.16, 17,813,385,091.26 and 7,192,579,955.64 is: 9,925,498,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908,590,865.16 : 17,813,385,091.26 = 7,192,579,955.64 : x
  2. Step 2: Convert to fraction form
    12,908,590,865.16/17,813,385,091.26 = 7,192,579,955.64/x
  3. Step 3: Cross multiply
    12,908,590,865.16x = 17,813,385,091.26 × 7,192,579,955.64
  4. Step 4: Simplify right side
    12,908,590,865.16x = 128,124,196,549,493,080,064
  5. Step 5: Solve for x
    x = 128,124,196,549,493,080,064/12,908,590,865.16
  6. Step 6: Final answer
    x = 9,925,498,289.31

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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.