Home / 519,189,030,701.31-716,485,069,192.55-287,706,416,608.92

Finding the Fourth Proportional to 519,189,030,701.31, 716,485,069,192.55 and 287,706,416,608.92

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Solution

The fourth proportional to 519,189,030,701.31, 716,485,069,192.55 and 287,706,416,608.92 is: 397,037,186,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,189,030,701.31 : 716,485,069,192.55 = 287,706,416,608.92 : x
  2. Step 2: Convert to fraction form
    519,189,030,701.31/716,485,069,192.55 = 287,706,416,608.92/x
  3. Step 3: Cross multiply
    519,189,030,701.31x = 716,485,069,192.55 × 287,706,416,608.92
  4. Step 4: Simplify right side
    519,189,030,701.31x = 206,137,351,811,182,664,613,888
  5. Step 5: Solve for x
    x = 206,137,351,811,182,664,613,888/519,189,030,701.31
  6. Step 6: Final answer
    x = 397,037,186,114.54

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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.