Home / 437,826,942.90-604,201,228.83-239,588,479.80

Finding the Fourth Proportional to 437,826,942.90, 604,201,228.83 and 239,588,479.80

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Solution

The fourth proportional to 437,826,942.90, 604,201,228.83 and 239,588,479.80 is: 330,632,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,826,942.90 : 604,201,228.83 = 239,588,479.80 : x
  2. Step 2: Convert to fraction form
    437,826,942.90/604,201,228.83 = 239,588,479.80/x
  3. Step 3: Cross multiply
    437,826,942.90x = 604,201,228.83 × 239,588,479.80
  4. Step 4: Simplify right side
    437,826,942.90x = 144,759,653,908,671,648
  5. Step 5: Solve for x
    x = 144,759,653,908,671,648/437,826,942.90
  6. Step 6: Final answer
    x = 330,632,128.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.