Home / 661,689,114.90-992,533,672.35-201,626,546.10

Finding the Fourth Proportional to 661,689,114.90, 992,533,672.35 and 201,626,546.10

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Solution

The fourth proportional to 661,689,114.90, 992,533,672.35 and 201,626,546.10 is: 302,439,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,689,114.90 : 992,533,672.35 = 201,626,546.10 : x
  2. Step 2: Convert to fraction form
    661,689,114.90/992,533,672.35 = 201,626,546.10/x
  3. Step 3: Cross multiply
    661,689,114.90x = 992,533,672.35 × 201,626,546.10
  4. Step 4: Simplify right side
    661,689,114.90x = 200,121,136,243,879,584
  5. Step 5: Solve for x
    x = 200,121,136,243,879,584/661,689,114.90
  6. Step 6: Final answer
    x = 302,439,819.15

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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.