Home / 388,767,757-536,510,702.10-214,938,698.44

Finding the Fourth Proportional to 388,767,757, 536,510,702.10 and 214,938,698.44

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Solution

The fourth proportional to 388,767,757, 536,510,702.10 and 214,938,698.44 is: 296,621,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,767,757 : 536,510,702.10 = 214,938,698.44 : x
  2. Step 2: Convert to fraction form
    388,767,757/536,510,702.10 = 214,938,698.44/x
  3. Step 3: Cross multiply
    388,767,757x = 536,510,702.10 × 214,938,698.44
  4. Step 4: Simplify right side
    388,767,757x = 115,316,912,008,504,576
  5. Step 5: Solve for x
    x = 115,316,912,008,504,576/388,767,757
  6. Step 6: Final answer
    x = 296,621,594.60

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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.