Home / 522,168,834.65-720,645,845.57-299,180,094.44

Finding the Fourth Proportional to 522,168,834.65, 720,645,845.57 and 299,180,094.44

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Solution

The fourth proportional to 522,168,834.65, 720,645,845.57 and 299,180,094.44 is: 412,898,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,168,834.65 : 720,645,845.57 = 299,180,094.44 : x
  2. Step 2: Convert to fraction form
    522,168,834.65/720,645,845.57 = 299,180,094.44/x
  3. Step 3: Cross multiply
    522,168,834.65x = 720,645,845.57 × 299,180,094.44
  4. Step 4: Simplify right side
    522,168,834.65x = 215,602,892,130,327,136
  5. Step 5: Solve for x
    x = 215,602,892,130,327,136/522,168,834.65
  6. Step 6: Final answer
    x = 412,898,813.23

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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.