Home / 643,808,301.84-888,404,802.12-365,349,824.46

Finding the Fourth Proportional to 643,808,301.84, 888,404,802.12 and 365,349,824.46

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Solution

The fourth proportional to 643,808,301.84, 888,404,802.12 and 365,349,824.46 is: 504,154,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,808,301.84 : 888,404,802.12 = 365,349,824.46 : x
  2. Step 2: Convert to fraction form
    643,808,301.84/888,404,802.12 = 365,349,824.46/x
  3. Step 3: Cross multiply
    643,808,301.84x = 888,404,802.12 × 365,349,824.46
  4. Step 4: Simplify right side
    643,808,301.84x = 324,578,538,503,963,008
  5. Step 5: Solve for x
    x = 324,578,538,503,963,008/643,808,301.84
  6. Step 6: Final answer
    x = 504,154,012.27

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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.