Home / 648,423,534.42-894,807,891-362,317,351.32

Finding the Fourth Proportional to 648,423,534.42, 894,807,891 and 362,317,351.32

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Solution

The fourth proportional to 648,423,534.42, 894,807,891 and 362,317,351.32 is: 499,988,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,423,534.42 : 894,807,891 = 362,317,351.32 : x
  2. Step 2: Convert to fraction form
    648,423,534.42/894,807,891 = 362,317,351.32/x
  3. Step 3: Cross multiply
    648,423,534.42x = 894,807,891 × 362,317,351.32
  4. Step 4: Simplify right side
    648,423,534.42x = 324,204,425,007,355,264
  5. Step 5: Solve for x
    x = 324,204,425,007,355,264/648,423,534.42
  6. Step 6: Final answer
    x = 499,988,676.84

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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.