Home / 295,488,077.70-443,232,116.55-286,985,021.70

Finding the Fourth Proportional to 295,488,077.70, 443,232,116.55 and 286,985,021.70

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Solution

The fourth proportional to 295,488,077.70, 443,232,116.55 and 286,985,021.70 is: 430,477,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488,077.70 : 443,232,116.55 = 286,985,021.70 : x
  2. Step 2: Convert to fraction form
    295,488,077.70/443,232,116.55 = 286,985,021.70/x
  3. Step 3: Cross multiply
    295,488,077.70x = 443,232,116.55 × 286,985,021.70
  4. Step 4: Simplify right side
    295,488,077.70x = 127,200,978,586,238,672
  5. Step 5: Solve for x
    x = 127,200,978,586,238,672/295,488,077.70
  6. Step 6: Final answer
    x = 430,477,532.55

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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.