Home / 351,841,486.80-528,769,999.80-307,499,624.40

Finding the Fourth Proportional to 351,841,486.80, 528,769,999.80 and 307,499,624.40

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Solution

The fourth proportional to 351,841,486.80, 528,769,999.80 and 307,499,624.40 is: 462,130,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,841,486.80 : 528,769,999.80 = 307,499,624.40 : x
  2. Step 2: Convert to fraction form
    351,841,486.80/528,769,999.80 = 307,499,624.40/x
  3. Step 3: Cross multiply
    351,841,486.80x = 528,769,999.80 × 307,499,624.40
  4. Step 4: Simplify right side
    351,841,486.80x = 162,596,576,332,488,064
  5. Step 5: Solve for x
    x = 162,596,576,332,488,064/351,841,486.80
  6. Step 6: Final answer
    x = 462,130,199.06

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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.