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Finding the Fourth Proportional to 1,888,884,057.80, 2,833,326,086.70 and 970,554,009.80

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Solution

The fourth proportional to 1,888,884,057.80, 2,833,326,086.70 and 970,554,009.80 is: 1,455,831,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,884,057.80 : 2,833,326,086.70 = 970,554,009.80 : x
  2. Step 2: Convert to fraction form
    1,888,884,057.80/2,833,326,086.70 = 970,554,009.80/x
  3. Step 3: Cross multiply
    1,888,884,057.80x = 2,833,326,086.70 × 970,554,009.80
  4. Step 4: Simplify right side
    1,888,884,057.80x = 2,749,895,994,517,626,880
  5. Step 5: Solve for x
    x = 2,749,895,994,517,626,880/1,888,884,057.80
  6. Step 6: Final answer
    x = 1,455,831,014.70

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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.