Home / 471,640,063.90-707,591,341.56-205,769,039.98

Finding the Fourth Proportional to 471,640,063.90, 707,591,341.56 and 205,769,039.98

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Solution

The fourth proportional to 471,640,063.90, 707,591,341.56 and 205,769,039.98 is: 308,710,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,640,063.90 : 707,591,341.56 = 205,769,039.98 : x
  2. Step 2: Convert to fraction form
    471,640,063.90/707,591,341.56 = 205,769,039.98/x
  3. Step 3: Cross multiply
    471,640,063.90x = 707,591,341.56 × 205,769,039.98
  4. Step 4: Simplify right side
    471,640,063.90x = 145,600,391,050,961,472
  5. Step 5: Solve for x
    x = 145,600,391,050,961,472/471,640,063.90
  6. Step 6: Final answer
    x = 308,710,820.38

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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.