Home / 580,289,756.15-800,796,452.56-315,971,116.31

Finding the Fourth Proportional to 580,289,756.15, 800,796,452.56 and 315,971,116.31

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Solution

The fourth proportional to 580,289,756.15, 800,796,452.56 and 315,971,116.31 is: 436,038,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,289,756.15 : 800,796,452.56 = 315,971,116.31 : x
  2. Step 2: Convert to fraction form
    580,289,756.15/800,796,452.56 = 315,971,116.31/x
  3. Step 3: Cross multiply
    580,289,756.15x = 800,796,452.56 × 315,971,116.31
  4. Step 4: Simplify right side
    580,289,756.15x = 253,028,549,053,683,232
  5. Step 5: Solve for x
    x = 253,028,549,053,683,232/580,289,756.15
  6. Step 6: Final answer
    x = 436,038,283.24

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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.