Home / 380,438,033.10-570,477,159.24-147,377,904.09

Finding the Fourth Proportional to 380,438,033.10, 570,477,159.24 and 147,377,904.09

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Solution

The fourth proportional to 380,438,033.10, 570,477,159.24 and 147,377,904.09 is: 220,997,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,438,033.10 : 570,477,159.24 = 147,377,904.09 : x
  2. Step 2: Convert to fraction form
    380,438,033.10/570,477,159.24 = 147,377,904.09/x
  3. Step 3: Cross multiply
    380,438,033.10x = 570,477,159.24 × 147,377,904.09
  4. Step 4: Simplify right side
    380,438,033.10x = 84,075,728,060,008,384
  5. Step 5: Solve for x
    x = 84,075,728,060,008,384/380,438,033.10
  6. Step 6: Final answer
    x = 220,997,168.38

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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.