Home / 753,366,686.85-1,129,440,207.20-235,530,576.45

Finding the Fourth Proportional to 753,366,686.85, 1,129,440,207.20 and 235,530,576.45

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Solution

The fourth proportional to 753,366,686.85, 1,129,440,207.20 and 235,530,576.45 is: 353,105,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,366,686.85 : 1,129,440,207.20 = 235,530,576.45 : x
  2. Step 2: Convert to fraction form
    753,366,686.85/1,129,440,207.20 = 235,530,576.45/x
  3. Step 3: Cross multiply
    753,366,686.85x = 1,129,440,207.20 × 235,530,576.45
  4. Step 4: Simplify right side
    753,366,686.85x = 266,017,703,066,445,760
  5. Step 5: Solve for x
    x = 266,017,703,066,445,760/753,366,686.85
  6. Step 6: Final answer
    x = 353,105,211.19

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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.