Home / 485,961,047.34-670,625,812.05-274,312,427.42

Finding the Fourth Proportional to 485,961,047.34, 670,625,812.05 and 274,312,427.42

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Solution

The fourth proportional to 485,961,047.34, 670,625,812.05 and 274,312,427.42 is: 378,550,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,961,047.34 : 670,625,812.05 = 274,312,427.42 : x
  2. Step 2: Convert to fraction form
    485,961,047.34/670,625,812.05 = 274,312,427.42/x
  3. Step 3: Cross multiply
    485,961,047.34x = 670,625,812.05 × 274,312,427.42
  4. Step 4: Simplify right side
    485,961,047.34x = 183,960,994,392,700,896
  5. Step 5: Solve for x
    x = 183,960,994,392,700,896/485,961,047.34
  6. Step 6: Final answer
    x = 378,550,905.26

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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.