Home / 850,575,821.25-1,173,795,104.21-459,435,245.25

Finding the Fourth Proportional to 850,575,821.25, 1,173,795,104.21 and 459,435,245.25

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Solution

The fourth proportional to 850,575,821.25, 1,173,795,104.21 and 459,435,245.25 is: 634,020,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,575,821.25 : 1,173,795,104.21 = 459,435,245.25 : x
  2. Step 2: Convert to fraction form
    850,575,821.25/1,173,795,104.21 = 459,435,245.25/x
  3. Step 3: Cross multiply
    850,575,821.25x = 1,173,795,104.21 × 459,435,245.25
  4. Step 4: Simplify right side
    850,575,821.25x = 539,282,841,573,673,472
  5. Step 5: Solve for x
    x = 539,282,841,573,673,472/850,575,821.25
  6. Step 6: Final answer
    x = 634,020,892.79

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1.5x scale

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.