Home / 769,686,877.10-1,062,126,982.17-435,139,397.57

Finding the Fourth Proportional to 769,686,877.10, 1,062,126,982.17 and 435,139,397.57

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Solution

The fourth proportional to 769,686,877.10, 1,062,126,982.17 and 435,139,397.57 is: 600,469,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,686,877.10 : 1,062,126,982.17 = 435,139,397.57 : x
  2. Step 2: Convert to fraction form
    769,686,877.10/1,062,126,982.17 = 435,139,397.57/x
  3. Step 3: Cross multiply
    769,686,877.10x = 1,062,126,982.17 × 435,139,397.57
  4. Step 4: Simplify right side
    769,686,877.10x = 462,173,295,158,985,280
  5. Step 5: Solve for x
    x = 462,173,295,158,985,280/769,686,877.10
  6. Step 6: Final answer
    x = 600,469,241.34

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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.