Home / 988,809,632.59-1,364,558,787.72-536,687,762.05

Finding the Fourth Proportional to 988,809,632.59, 1,364,558,787.72 and 536,687,762.05

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Solution

The fourth proportional to 988,809,632.59, 1,364,558,787.72 and 536,687,762.05 is: 740,629,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,809,632.59 : 1,364,558,787.72 = 536,687,762.05 : x
  2. Step 2: Convert to fraction form
    988,809,632.59/1,364,558,787.72 = 536,687,762.05/x
  3. Step 3: Cross multiply
    988,809,632.59x = 1,364,558,787.72 × 536,687,762.05
  4. Step 4: Simplify right side
    988,809,632.59x = 732,342,001,967,107,840
  5. Step 5: Solve for x
    x = 732,342,001,967,107,840/988,809,632.59
  6. Step 6: Final answer
    x = 740,629,922.92

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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.