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Finding the Fourth Proportional to 830,522,260.90, 1,245,783,391.35 and 830,522,260.90

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Solution

The fourth proportional to 830,522,260.90, 1,245,783,391.35 and 830,522,260.90 is: 1,245,783,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,522,260.90 : 1,245,783,391.35 = 830,522,260.90 : x
  2. Step 2: Convert to fraction form
    830,522,260.90/1,245,783,391.35 = 830,522,260.90/x
  3. Step 3: Cross multiply
    830,522,260.90x = 1,245,783,391.35 × 830,522,260.90
  4. Step 4: Simplify right side
    830,522,260.90x = 1,034,650,838,775,671,424
  5. Step 5: Solve for x
    x = 1,034,650,838,775,671,424/830,522,260.90
  6. Step 6: Final answer
    x = 1,245,783,391.35

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1.5x scale

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.