Home / 1,189,243,922.20-1,780,338,689.70-883,889,733.40

Finding the Fourth Proportional to 1,189,243,922.20, 1,780,338,689.70 and 883,889,733.40

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Solution

The fourth proportional to 1,189,243,922.20, 1,780,338,689.70 and 883,889,733.40 is: 1,323,213,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,243,922.20 : 1,780,338,689.70 = 883,889,733.40 : x
  2. Step 2: Convert to fraction form
    1,189,243,922.20/1,780,338,689.70 = 883,889,733.40/x
  3. Step 3: Cross multiply
    1,189,243,922.20x = 1,780,338,689.70 × 883,889,733.40
  4. Step 4: Simplify right side
    1,189,243,922.20x = 1,573,623,089,800,638,208
  5. Step 5: Solve for x
    x = 1,573,623,089,800,638,208/1,189,243,922.20
  6. Step 6: Final answer
    x = 1,323,213,060.35

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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.