Home / 1,087,248,938.94-1,630,575,760.68-300,114,422.46

Finding the Fourth Proportional to 1,087,248,938.94, 1,630,575,760.68 and 300,114,422.46

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Solution

The fourth proportional to 1,087,248,938.94, 1,630,575,760.68 and 300,114,422.46 is: 450,089,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,248,938.94 : 1,630,575,760.68 = 300,114,422.46 : x
  2. Step 2: Convert to fraction form
    1,087,248,938.94/1,630,575,760.68 = 300,114,422.46/x
  3. Step 3: Cross multiply
    1,087,248,938.94x = 1,630,575,760.68 × 300,114,422.46
  4. Step 4: Simplify right side
    1,087,248,938.94x = 489,359,302,693,753,344
  5. Step 5: Solve for x
    x = 489,359,302,693,753,344/1,087,248,938.94
  6. Step 6: Final answer
    x = 450,089,473.69

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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.