Home / 988,809,642.01-1,364,558,800.71-536,687,771.46

Finding the Fourth Proportional to 988,809,642.01, 1,364,558,800.71 and 536,687,771.46

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Solution

The fourth proportional to 988,809,642.01, 1,364,558,800.71 and 536,687,771.46 is: 740,629,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,809,642.01 : 1,364,558,800.71 = 536,687,771.46 : x
  2. Step 2: Convert to fraction form
    988,809,642.01/1,364,558,800.71 = 536,687,771.46/x
  3. Step 3: Cross multiply
    988,809,642.01x = 1,364,558,800.71 × 536,687,771.46
  4. Step 4: Simplify right side
    988,809,642.01x = 732,342,021,776,102,528
  5. Step 5: Solve for x
    x = 732,342,021,776,102,528/988,809,642.01
  6. Step 6: Final answer
    x = 740,629,935.90

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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.