Home / 289,728,045.45-434,592,068.18-197,895,040.65

Finding the Fourth Proportional to 289,728,045.45, 434,592,068.18 and 197,895,040.65

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Solution

The fourth proportional to 289,728,045.45, 434,592,068.18 and 197,895,040.65 is: 296,842,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,728,045.45 : 434,592,068.18 = 197,895,040.65 : x
  2. Step 2: Convert to fraction form
    289,728,045.45/434,592,068.18 = 197,895,040.65/x
  3. Step 3: Cross multiply
    289,728,045.45x = 434,592,068.18 × 197,895,040.65
  4. Step 4: Simplify right side
    289,728,045.45x = 86,003,614,997,659,200
  5. Step 5: Solve for x
    x = 86,003,614,997,659,200/289,728,045.45
  6. Step 6: Final answer
    x = 296,842,560.98

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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.