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Finding the Fourth Proportional to 1,201,286,734.04, 1,658,350,543.26 and 800,068,173.52

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Solution

The fourth proportional to 1,201,286,734.04, 1,658,350,543.26 and 800,068,173.52 is: 1,104,476,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,286,734.04 : 1,658,350,543.26 = 800,068,173.52 : x
  2. Step 2: Convert to fraction form
    1,201,286,734.04/1,658,350,543.26 = 800,068,173.52/x
  3. Step 3: Cross multiply
    1,201,286,734.04x = 1,658,350,543.26 × 800,068,173.52
  4. Step 4: Simplify right side
    1,201,286,734.04x = 1,326,793,490,201,927,936
  5. Step 5: Solve for x
    x = 1,326,793,490,201,927,936/1,201,286,734.04
  6. Step 6: Final answer
    x = 1,104,476,935.11

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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.