Home / 286,641,496,793.72-395,574,766,213.14-156,437,480,634.50

Finding the Fourth Proportional to 286,641,496,793.72, 395,574,766,213.14 and 156,437,480,634.50

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Solution

The fourth proportional to 286,641,496,793.72, 395,574,766,213.14 and 156,437,480,634.50 is: 215,888,908,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,641,496,793.72 : 395,574,766,213.14 = 156,437,480,634.50 : x
  2. Step 2: Convert to fraction form
    286,641,496,793.72/395,574,766,213.14 = 156,437,480,634.50/x
  3. Step 3: Cross multiply
    286,641,496,793.72x = 395,574,766,213.14 × 156,437,480,634.50
  4. Step 4: Simplify right side
    286,641,496,793.72x = 61,882,719,828,964,957,749,248
  5. Step 5: Solve for x
    x = 61,882,719,828,964,957,749,248/286,641,496,793.72
  6. Step 6: Final answer
    x = 215,888,908,344.27

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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.