Home / 654,989,360,810.43-903,932,091,134.41-362,007,980,901.12

Finding the Fourth Proportional to 654,989,360,810.43, 903,932,091,134.41 and 362,007,980,901.12

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Solution

The fourth proportional to 654,989,360,810.43, 903,932,091,134.41 and 362,007,980,901.12 is: 499,596,864,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,989,360,810.43 : 903,932,091,134.41 = 362,007,980,901.12 : x
  2. Step 2: Convert to fraction form
    654,989,360,810.43/903,932,091,134.41 = 362,007,980,901.12/x
  3. Step 3: Cross multiply
    654,989,360,810.43x = 903,932,091,134.41 × 362,007,980,901.12
  4. Step 4: Simplify right side
    654,989,360,810.43x = 327,230,631,183,294,985,666,560
  5. Step 5: Solve for x
    x = 327,230,631,183,294,985,666,560/654,989,360,810.43
  6. Step 6: Final answer
    x = 499,596,864,868.78

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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.