Home / 519,189,030,152.60-716,485,068,429.86-287,706,416,060.10

Finding the Fourth Proportional to 519,189,030,152.60, 716,485,068,429.86 and 287,706,416,060.10

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Solution

The fourth proportional to 519,189,030,152.60, 716,485,068,429.86 and 287,706,416,060.10 is: 397,037,185,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,189,030,152.60 : 716,485,068,429.86 = 287,706,416,060.10 : x
  2. Step 2: Convert to fraction form
    519,189,030,152.60/716,485,068,429.86 = 287,706,416,060.10/x
  3. Step 3: Cross multiply
    519,189,030,152.60x = 716,485,068,429.86 × 287,706,416,060.10
  4. Step 4: Simplify right side
    519,189,030,152.60x = 206,137,351,198,530,510,782,464
  5. Step 5: Solve for x
    x = 206,137,351,198,530,510,782,464/519,189,030,152.60
  6. Step 6: Final answer
    x = 397,037,185,354.13

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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.