Home / 349,766,457.81-482,503,374.54-208,538,075.13

Finding the Fourth Proportional to 349,766,457.81, 482,503,374.54 and 208,538,075.13

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Solution

The fourth proportional to 349,766,457.81, 482,503,374.54 and 208,538,075.13 is: 287,678,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,766,457.81 : 482,503,374.54 = 208,538,075.13 : x
  2. Step 2: Convert to fraction form
    349,766,457.81/482,503,374.54 = 208,538,075.13/x
  3. Step 3: Cross multiply
    349,766,457.81x = 482,503,374.54 × 208,538,075.13
  4. Step 4: Simplify right side
    349,766,457.81x = 100,620,324,970,301,056
  5. Step 5: Solve for x
    x = 100,620,324,970,301,056/349,766,457.81
  6. Step 6: Final answer
    x = 287,678,600.17

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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.