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Finding the Fourth Proportional to 1,109,662,898.01, 1,662,178,093.95 and 665,597,276.04

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Solution

The fourth proportional to 1,109,662,898.01, 1,662,178,093.95 and 665,597,276.04 is: 997,006,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,662,898.01 : 1,662,178,093.95 = 665,597,276.04 : x
  2. Step 2: Convert to fraction form
    1,109,662,898.01/1,662,178,093.95 = 665,597,276.04/x
  3. Step 3: Cross multiply
    1,109,662,898.01x = 1,662,178,093.95 × 665,597,276.04
  4. Step 4: Simplify right side
    1,109,662,898.01x = 1,106,341,211,626,479,232
  5. Step 5: Solve for x
    x = 1,106,341,211,626,479,232/1,109,662,898.01
  6. Step 6: Final answer
    x = 997,006,580.66

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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.