Home / 792,086,738.10-1,188,130,107.15-724,006,302.90

Finding the Fourth Proportional to 792,086,738.10, 1,188,130,107.15 and 724,006,302.90

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Solution

The fourth proportional to 792,086,738.10, 1,188,130,107.15 and 724,006,302.90 is: 1,086,009,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,086,738.10 : 1,188,130,107.15 = 724,006,302.90 : x
  2. Step 2: Convert to fraction form
    792,086,738.10/1,188,130,107.15 = 724,006,302.90/x
  3. Step 3: Cross multiply
    792,086,738.10x = 1,188,130,107.15 × 724,006,302.90
  4. Step 4: Simplify right side
    792,086,738.10x = 860,213,686,241,852,416
  5. Step 5: Solve for x
    x = 860,213,686,241,852,416/792,086,738.10
  6. Step 6: Final answer
    x = 1,086,009,454.35

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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.