Home / 413,362,261.60-620,043,392.40-371,272,134.40

Finding the Fourth Proportional to 413,362,261.60, 620,043,392.40 and 371,272,134.40

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Solution

The fourth proportional to 413,362,261.60, 620,043,392.40 and 371,272,134.40 is: 556,908,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,362,261.60 : 620,043,392.40 = 371,272,134.40 : x
  2. Step 2: Convert to fraction form
    413,362,261.60/620,043,392.40 = 371,272,134.40/x
  3. Step 3: Cross multiply
    413,362,261.60x = 620,043,392.40 × 371,272,134.40
  4. Step 4: Simplify right side
    413,362,261.60x = 230,204,833,716,964,704
  5. Step 5: Solve for x
    x = 230,204,833,716,964,704/413,362,261.60
  6. Step 6: Final answer
    x = 556,908,201.60

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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.