Home / 345,064,581.80-517,596,872.70-313,214,085.80

Finding the Fourth Proportional to 345,064,581.80, 517,596,872.70 and 313,214,085.80

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Solution

The fourth proportional to 345,064,581.80, 517,596,872.70 and 313,214,085.80 is: 469,821,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,064,581.80 : 517,596,872.70 = 313,214,085.80 : x
  2. Step 2: Convert to fraction form
    345,064,581.80/517,596,872.70 = 313,214,085.80/x
  3. Step 3: Cross multiply
    345,064,581.80x = 517,596,872.70 × 313,214,085.80
  4. Step 4: Simplify right side
    345,064,581.80x = 162,118,631,295,669,472
  5. Step 5: Solve for x
    x = 162,118,631,295,669,472/345,064,581.80
  6. Step 6: Final answer
    x = 469,821,128.70

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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.