Home / 388,070,815.80-582,106,223.70-194,012,182.20

Finding the Fourth Proportional to 388,070,815.80, 582,106,223.70 and 194,012,182.20

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Solution

The fourth proportional to 388,070,815.80, 582,106,223.70 and 194,012,182.20 is: 291,018,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,070,815.80 : 582,106,223.70 = 194,012,182.20 : x
  2. Step 2: Convert to fraction form
    388,070,815.80/582,106,223.70 = 194,012,182.20/x
  3. Step 3: Cross multiply
    388,070,815.80x = 582,106,223.70 × 194,012,182.20
  4. Step 4: Simplify right side
    388,070,815.80x = 112,935,698,732,238,368
  5. Step 5: Solve for x
    x = 112,935,698,732,238,368/388,070,815.80
  6. Step 6: Final answer
    x = 291,018,273.30

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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.