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Finding the Fourth Proportional to 1,195,852,717.60, 1,793,779,076.40 and 670,682,721.40

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Solution

The fourth proportional to 1,195,852,717.60, 1,793,779,076.40 and 670,682,721.40 is: 1,006,024,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,852,717.60 : 1,793,779,076.40 = 670,682,721.40 : x
  2. Step 2: Convert to fraction form
    1,195,852,717.60/1,793,779,076.40 = 670,682,721.40/x
  3. Step 3: Cross multiply
    1,195,852,717.60x = 1,793,779,076.40 × 670,682,721.40
  4. Step 4: Simplify right side
    1,195,852,717.60x = 1,203,056,632,550,330,624
  5. Step 5: Solve for x
    x = 1,203,056,632,550,330,624/1,195,852,717.60
  6. Step 6: Final answer
    x = 1,006,024,082.10

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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.