Home / 354,865,116.80-531,501,412.80-291,164,124.80

Finding the Fourth Proportional to 354,865,116.80, 531,501,412.80 and 291,164,124.80

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Solution

The fourth proportional to 354,865,116.80, 531,501,412.80 and 291,164,124.80 is: 436,092,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,865,116.80 : 531,501,412.80 = 291,164,124.80 : x
  2. Step 2: Convert to fraction form
    354,865,116.80/531,501,412.80 = 291,164,124.80/x
  3. Step 3: Cross multiply
    354,865,116.80x = 531,501,412.80 × 291,164,124.80
  4. Step 4: Simplify right side
    354,865,116.80x = 154,754,143,687,875,520
  5. Step 5: Solve for x
    x = 154,754,143,687,875,520/354,865,116.80
  6. Step 6: Final answer
    x = 436,092,859.97

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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.