Home / 519,189,030,151.59-716,485,068,428.49-287,706,416,059.11

Finding the Fourth Proportional to 519,189,030,151.59, 716,485,068,428.49 and 287,706,416,059.11

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Solution

The fourth proportional to 519,189,030,151.59, 716,485,068,428.49 and 287,706,416,059.11 is: 397,037,185,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,189,030,151.59 : 716,485,068,428.49 = 287,706,416,059.11 : x
  2. Step 2: Convert to fraction form
    519,189,030,151.59/716,485,068,428.49 = 287,706,416,059.11/x
  3. Step 3: Cross multiply
    519,189,030,151.59x = 716,485,068,428.49 × 287,706,416,059.11
  4. Step 4: Simplify right side
    519,189,030,151.59x = 206,137,351,197,427,039,731,712
  5. Step 5: Solve for x
    x = 206,137,351,197,427,039,731,712/519,189,030,151.59
  6. Step 6: Final answer
    x = 397,037,185,352.78

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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.