Home / 388,446,473.01-536,049,797.85-212,230,675.74

Finding the Fourth Proportional to 388,446,473.01, 536,049,797.85 and 212,230,675.74

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Solution

The fourth proportional to 388,446,473.01, 536,049,797.85 and 212,230,675.74 is: 292,874,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,446,473.01 : 536,049,797.85 = 212,230,675.74 : x
  2. Step 2: Convert to fraction form
    388,446,473.01/536,049,797.85 = 212,230,675.74/x
  3. Step 3: Cross multiply
    388,446,473.01x = 536,049,797.85 × 212,230,675.74
  4. Step 4: Simplify right side
    388,446,473.01x = 113,766,210,827,995,904
  5. Step 5: Solve for x
    x = 113,766,210,827,995,904/388,446,473.01
  6. Step 6: Final answer
    x = 292,874,871.40

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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.