Home / 988,856,812.67-1,481,345,888.51-573,460,941.38

Finding the Fourth Proportional to 988,856,812.67, 1,481,345,888.51 and 573,460,941.38

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Solution

The fourth proportional to 988,856,812.67, 1,481,345,888.51 and 573,460,941.38 is: 859,066,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,856,812.67 : 1,481,345,888.51 = 573,460,941.38 : x
  2. Step 2: Convert to fraction form
    988,856,812.67/1,481,345,888.51 = 573,460,941.38/x
  3. Step 3: Cross multiply
    988,856,812.67x = 1,481,345,888.51 × 573,460,941.38
  4. Step 4: Simplify right side
    988,856,812.67x = 849,494,007,728,364,032
  5. Step 5: Solve for x
    x = 849,494,007,728,364,032/988,856,812.67
  6. Step 6: Final answer
    x = 859,066,749.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.