Home / 886,540,934.40-1,328,651,740.80-476,714,630.40

Finding the Fourth Proportional to 886,540,934.40, 1,328,651,740.80 and 476,714,630.40

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Solution

The fourth proportional to 886,540,934.40, 1,328,651,740.80 and 476,714,630.40 is: 714,448,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,540,934.40 : 1,328,651,740.80 = 476,714,630.40 : x
  2. Step 2: Convert to fraction form
    886,540,934.40/1,328,651,740.80 = 476,714,630.40/x
  3. Step 3: Cross multiply
    886,540,934.40x = 1,328,651,740.80 × 476,714,630.40
  4. Step 4: Simplify right side
    886,540,934.40x = 633,387,723,545,788,544
  5. Step 5: Solve for x
    x = 633,387,723,545,788,544/886,540,934.40
  6. Step 6: Final answer
    x = 714,448,367.77

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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.