Home / 864,054,875.88-1,192,015,747.80-506,640,218.04

Finding the Fourth Proportional to 864,054,875.88, 1,192,015,747.80 and 506,640,218.04

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Solution

The fourth proportional to 864,054,875.88, 1,192,015,747.80 and 506,640,218.04 is: 698,940,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,054,875.88 : 1,192,015,747.80 = 506,640,218.04 : x
  2. Step 2: Convert to fraction form
    864,054,875.88/1,192,015,747.80 = 506,640,218.04/x
  3. Step 3: Cross multiply
    864,054,875.88x = 1,192,015,747.80 × 506,640,218.04
  4. Step 4: Simplify right side
    864,054,875.88x = 603,923,118,372,505,600
  5. Step 5: Solve for x
    x = 603,923,118,372,505,600/864,054,875.88
  6. Step 6: Final answer
    x = 698,940,698.36

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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.