Home / 436,865,501.89-602,870,318.21-238,626,920.80

Finding the Fourth Proportional to 436,865,501.89, 602,870,318.21 and 238,626,920.80

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Solution

The fourth proportional to 436,865,501.89, 602,870,318.21 and 238,626,920.80 is: 329,302,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,865,501.89 : 602,870,318.21 = 238,626,920.80 : x
  2. Step 2: Convert to fraction form
    436,865,501.89/602,870,318.21 = 238,626,920.80/x
  3. Step 3: Cross multiply
    436,865,501.89x = 602,870,318.21 × 238,626,920.80
  4. Step 4: Simplify right side
    436,865,501.89x = 143,861,087,677,972,032
  5. Step 5: Solve for x
    x = 143,861,087,677,972,032/436,865,501.89
  6. Step 6: Final answer
    x = 329,302,925.17

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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.