Home / 413,365,047.60-620,047,571.40-371,274,920.40

Finding the Fourth Proportional to 413,365,047.60, 620,047,571.40 and 371,274,920.40

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Solution

The fourth proportional to 413,365,047.60, 620,047,571.40 and 371,274,920.40 is: 556,912,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,365,047.60 : 620,047,571.40 = 371,274,920.40 : x
  2. Step 2: Convert to fraction form
    413,365,047.60/620,047,571.40 = 371,274,920.40/x
  3. Step 3: Cross multiply
    413,365,047.60x = 620,047,571.40 × 371,274,920.40
  4. Step 4: Simplify right side
    413,365,047.60x = 230,208,112,715,748,288
  5. Step 5: Solve for x
    x = 230,208,112,715,748,288/413,365,047.60
  6. Step 6: Final answer
    x = 556,912,380.60

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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.