Home / 572,168,936.43-858,381,341.72-208,663,292.43

Finding the Fourth Proportional to 572,168,936.43, 858,381,341.72 and 208,663,292.43

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Solution

The fourth proportional to 572,168,936.43, 858,381,341.72 and 208,663,292.43 is: 313,041,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,168,936.43 : 858,381,341.72 = 208,663,292.43 : x
  2. Step 2: Convert to fraction form
    572,168,936.43/858,381,341.72 = 208,663,292.43/x
  3. Step 3: Cross multiply
    572,168,936.43x = 858,381,341.72 × 208,663,292.43
  4. Step 4: Simplify right side
    572,168,936.43x = 179,112,676,922,732,800
  5. Step 5: Solve for x
    x = 179,112,676,922,732,800/572,168,936.43
  6. Step 6: Final answer
    x = 313,041,595.79

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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.