Home / 612,235,110.30-918,352,665.45-248,990,156.70

Finding the Fourth Proportional to 612,235,110.30, 918,352,665.45 and 248,990,156.70

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Solution

The fourth proportional to 612,235,110.30, 918,352,665.45 and 248,990,156.70 is: 373,485,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,235,110.30 : 918,352,665.45 = 248,990,156.70 : x
  2. Step 2: Convert to fraction form
    612,235,110.30/918,352,665.45 = 248,990,156.70/x
  3. Step 3: Cross multiply
    612,235,110.30x = 918,352,665.45 × 248,990,156.70
  4. Step 4: Simplify right side
    612,235,110.30x = 228,660,774,076,258,176
  5. Step 5: Solve for x
    x = 228,660,774,076,258,176/612,235,110.30
  6. Step 6: Final answer
    x = 373,485,235.05

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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.