Home / 712,389,846,197.08-983,205,450,434.42-434,453,654,820.52

Finding the Fourth Proportional to 712,389,846,197.08, 983,205,450,434.42 and 434,453,654,820.52

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Solution

The fourth proportional to 712,389,846,197.08, 983,205,450,434.42 and 434,453,654,820.52 is: 599,611,580,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,389,846,197.08 : 983,205,450,434.42 = 434,453,654,820.52 : x
  2. Step 2: Convert to fraction form
    712,389,846,197.08/983,205,450,434.42 = 434,453,654,820.52/x
  3. Step 3: Cross multiply
    712,389,846,197.08x = 983,205,450,434.42 × 434,453,654,820.52
  4. Step 4: Simplify right side
    712,389,846,197.08x = 427,157,201,380,689,441,718,272
  5. Step 5: Solve for x
    x = 427,157,201,380,689,441,718,272/712,389,846,197.08
  6. Step 6: Final answer
    x = 599,611,580,177.57

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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.