Home / 408,147,737,006.40-612,221,605,509.60-308,968,091,822.40

Finding the Fourth Proportional to 408,147,737,006.40, 612,221,605,509.60 and 308,968,091,822.40

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Solution

The fourth proportional to 408,147,737,006.40, 612,221,605,509.60 and 308,968,091,822.40 is: 463,452,137,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,147,737,006.40 : 612,221,605,509.60 = 308,968,091,822.40 : x
  2. Step 2: Convert to fraction form
    408,147,737,006.40/612,221,605,509.60 = 308,968,091,822.40/x
  3. Step 3: Cross multiply
    408,147,737,006.40x = 612,221,605,509.60 × 308,968,091,822.40
  4. Step 4: Simplify right side
    408,147,737,006.40x = 189,156,941,226,747,250,081,792
  5. Step 5: Solve for x
    x = 189,156,941,226,747,250,081,792/408,147,737,006.40
  6. Step 6: Final answer
    x = 463,452,137,733.60

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1.5x scale

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.