Home / 722,153,214.85-1,082,473,790.21-302,215,188.05

Finding the Fourth Proportional to 722,153,214.85, 1,082,473,790.21 and 302,215,188.05

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Solution

The fourth proportional to 722,153,214.85, 1,082,473,790.21 and 302,215,188.05 is: 453,006,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,153,214.85 : 1,082,473,790.21 = 302,215,188.05 : x
  2. Step 2: Convert to fraction form
    722,153,214.85/1,082,473,790.21 = 302,215,188.05/x
  3. Step 3: Cross multiply
    722,153,214.85x = 1,082,473,790.21 × 302,215,188.05
  4. Step 4: Simplify right side
    722,153,214.85x = 327,140,020,070,973,184
  5. Step 5: Solve for x
    x = 327,140,020,070,973,184/722,153,214.85
  6. Step 6: Final answer
    x = 453,006,388.87

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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.