Home / 304,724,409.04-420,545,620.02-172,588,911.70

Finding the Fourth Proportional to 304,724,409.04, 420,545,620.02 and 172,588,911.70

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Solution

The fourth proportional to 304,724,409.04, 420,545,620.02 and 172,588,911.70 is: 238,187,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,724,409.04 : 420,545,620.02 = 172,588,911.70 : x
  2. Step 2: Convert to fraction form
    304,724,409.04/420,545,620.02 = 172,588,911.70/x
  3. Step 3: Cross multiply
    304,724,409.04x = 420,545,620.02 × 172,588,911.70
  4. Step 4: Simplify right side
    304,724,409.04x = 72,581,510,878,590,576
  5. Step 5: Solve for x
    x = 72,581,510,878,590,576/304,724,409.04
  6. Step 6: Final answer
    x = 238,187,387.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.