Home / 1,816,671,389.05-2,507,007,524.21-981,295,963.39

Finding the Fourth Proportional to 1,816,671,389.05, 2,507,007,524.21 and 981,295,963.39

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Solution

The fourth proportional to 1,816,671,389.05, 2,507,007,524.21 and 981,295,963.39 is: 1,354,188,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,671,389.05 : 2,507,007,524.21 = 981,295,963.39 : x
  2. Step 2: Convert to fraction form
    1,816,671,389.05/2,507,007,524.21 = 981,295,963.39/x
  3. Step 3: Cross multiply
    1,816,671,389.05x = 2,507,007,524.21 × 981,295,963.39
  4. Step 4: Simplify right side
    1,816,671,389.05x = 2,460,116,363,695,630,848
  5. Step 5: Solve for x
    x = 2,460,116,363,695,630,848/1,816,671,389.05
  6. Step 6: Final answer
    x = 1,354,188,973.59

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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.