Home / 519,189,030,702.31-716,485,069,193.93-287,706,416,609.92

Finding the Fourth Proportional to 519,189,030,702.31, 716,485,069,193.93 and 287,706,416,609.92

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Solution

The fourth proportional to 519,189,030,702.31, 716,485,069,193.93 and 287,706,416,609.92 is: 397,037,186,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,189,030,702.31 : 716,485,069,193.93 = 287,706,416,609.92 : x
  2. Step 2: Convert to fraction form
    519,189,030,702.31/716,485,069,193.93 = 287,706,416,609.92/x
  3. Step 3: Cross multiply
    519,189,030,702.31x = 716,485,069,193.93 × 287,706,416,609.92
  4. Step 4: Simplify right side
    519,189,030,702.31x = 206,137,351,812,296,201,994,240
  5. Step 5: Solve for x
    x = 206,137,351,812,296,201,994,240/519,189,030,702.31
  6. Step 6: Final answer
    x = 397,037,186,115.92

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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.