Home / 800,442,022.60-1,200,663,033.90-525,828,743.20

Finding the Fourth Proportional to 800,442,022.60, 1,200,663,033.90 and 525,828,743.20

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Solution

The fourth proportional to 800,442,022.60, 1,200,663,033.90 and 525,828,743.20 is: 788,743,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,442,022.60 : 1,200,663,033.90 = 525,828,743.20 : x
  2. Step 2: Convert to fraction form
    800,442,022.60/1,200,663,033.90 = 525,828,743.20/x
  3. Step 3: Cross multiply
    800,442,022.60x = 1,200,663,033.90 × 525,828,743.20
  4. Step 4: Simplify right side
    800,442,022.60x = 631,343,134,122,336,000
  5. Step 5: Solve for x
    x = 631,343,134,122,336,000/800,442,022.60
  6. Step 6: Final answer
    x = 788,743,114.80

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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.