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Finding the Fourth Proportional to 666,794,656.63, 920,176,626.17 and 373,439,224.63

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Solution

The fourth proportional to 666,794,656.63, 920,176,626.17 and 373,439,224.63 is: 515,346,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,794,656.63 : 920,176,626.17 = 373,439,224.63 : x
  2. Step 2: Convert to fraction form
    666,794,656.63/920,176,626.17 = 373,439,224.63/x
  3. Step 3: Cross multiply
    666,794,656.63x = 920,176,626.17 × 373,439,224.63
  4. Step 4: Simplify right side
    666,794,656.63x = 343,630,045,793,106,048
  5. Step 5: Solve for x
    x = 343,630,045,793,106,048/666,794,656.63
  6. Step 6: Final answer
    x = 515,346,130.00

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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.