Home / 809,154,567.75-1,116,633,266.95-437,876,609.25

Finding the Fourth Proportional to 809,154,567.75, 1,116,633,266.95 and 437,876,609.25

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Solution

The fourth proportional to 809,154,567.75, 1,116,633,266.95 and 437,876,609.25 is: 604,269,700.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,154,567.75 : 1,116,633,266.95 = 437,876,609.25 : x
  2. Step 2: Convert to fraction form
    809,154,567.75/1,116,633,266.95 = 437,876,609.25/x
  3. Step 3: Cross multiply
    809,154,567.75x = 1,116,633,266.95 × 437,876,609.25
  4. Step 4: Simplify right side
    809,154,567.75x = 488,947,588,707,816,128
  5. Step 5: Solve for x
    x = 488,947,588,707,816,128/809,154,567.75
  6. Step 6: Final answer
    x = 604,269,700.99

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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.