Home / 413,938,041.12-620,907,062.04-168,237,110.88

Finding the Fourth Proportional to 413,938,041.12, 620,907,062.04 and 168,237,110.88

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Solution

The fourth proportional to 413,938,041.12, 620,907,062.04 and 168,237,110.88 is: 252,355,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,938,041.12 : 620,907,062.04 = 168,237,110.88 : x
  2. Step 2: Convert to fraction form
    413,938,041.12/620,907,062.04 = 168,237,110.88/x
  3. Step 3: Cross multiply
    413,938,041.12x = 620,907,062.04 × 168,237,110.88
  4. Step 4: Simplify right side
    413,938,041.12x = 104,459,610,242,598,512
  5. Step 5: Solve for x
    x = 104,459,610,242,598,512/413,938,041.12
  6. Step 6: Final answer
    x = 252,355,666.47

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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.