Home / 572,022,051.10-858,033,076.65-442,881,888.10

Finding the Fourth Proportional to 572,022,051.10, 858,033,076.65 and 442,881,888.10

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Solution

The fourth proportional to 572,022,051.10, 858,033,076.65 and 442,881,888.10 is: 664,322,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,022,051.10 : 858,033,076.65 = 442,881,888.10 : x
  2. Step 2: Convert to fraction form
    572,022,051.10/858,033,076.65 = 442,881,888.10/x
  3. Step 3: Cross multiply
    572,022,051.10x = 858,033,076.65 × 442,881,888.10
  4. Step 4: Simplify right side
    572,022,051.10x = 380,007,309,039,004,032
  5. Step 5: Solve for x
    x = 380,007,309,039,004,032/572,022,051.10
  6. Step 6: Final answer
    x = 664,322,832.15

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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.