Home / 911,999,012,863.45-1,258,594,923,736.50-500,482,218,178.05

Finding the Fourth Proportional to 911,999,012,863.45, 1,258,594,923,736.50 and 500,482,218,178.05

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Solution

The fourth proportional to 911,999,012,863.45, 1,258,594,923,736.50 and 500,482,218,178.05 is: 690,685,373,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,999,012,863.45 : 1,258,594,923,736.50 = 500,482,218,178.05 : x
  2. Step 2: Convert to fraction form
    911,999,012,863.45/1,258,594,923,736.50 = 500,482,218,178.05/x
  3. Step 3: Cross multiply
    911,999,012,863.45x = 1,258,594,923,736.50 × 500,482,218,178.05
  4. Step 4: Simplify right side
    911,999,012,863.45x = 629,904,379,219,277,237,977,088
  5. Step 5: Solve for x
    x = 629,904,379,219,277,237,977,088/911,999,012,863.45
  6. Step 6: Final answer
    x = 690,685,373,925.50

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Double scale
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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.