Home / 822,651,941.12-1,135,261,834.63-446,308,509.39

Finding the Fourth Proportional to 822,651,941.12, 1,135,261,834.63 and 446,308,509.39

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Solution

The fourth proportional to 822,651,941.12, 1,135,261,834.63 and 446,308,509.39 is: 615,906,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,651,941.12 : 1,135,261,834.63 = 446,308,509.39 : x
  2. Step 2: Convert to fraction form
    822,651,941.12/1,135,261,834.63 = 446,308,509.39/x
  3. Step 3: Cross multiply
    822,651,941.12x = 1,135,261,834.63 × 446,308,509.39
  4. Step 4: Simplify right side
    822,651,941.12x = 506,677,017,179,956,224
  5. Step 5: Solve for x
    x = 506,677,017,179,956,224/822,651,941.12
  6. Step 6: Final answer
    x = 615,906,912.57

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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.