Home / 280,908,035.70-421,362,053.55-229,847,709.30

Finding the Fourth Proportional to 280,908,035.70, 421,362,053.55 and 229,847,709.30

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Solution

The fourth proportional to 280,908,035.70, 421,362,053.55 and 229,847,709.30 is: 344,771,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,908,035.70 : 421,362,053.55 = 229,847,709.30 : x
  2. Step 2: Convert to fraction form
    280,908,035.70/421,362,053.55 = 229,847,709.30/x
  3. Step 3: Cross multiply
    280,908,035.70x = 421,362,053.55 × 229,847,709.30
  4. Step 4: Simplify right side
    280,908,035.70x = 96,849,102,794,411,440
  5. Step 5: Solve for x
    x = 96,849,102,794,411,440/280,908,035.70
  6. Step 6: Final answer
    x = 344,771,563.95

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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.