Home / 519,189,030,703.56-716,485,069,195.65-287,706,416,611.17

Finding the Fourth Proportional to 519,189,030,703.56, 716,485,069,195.65 and 287,706,416,611.17

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Solution

The fourth proportional to 519,189,030,703.56, 716,485,069,195.65 and 287,706,416,611.17 is: 397,037,186,117.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,189,030,703.56 : 716,485,069,195.65 = 287,706,416,611.17 : x
  2. Step 2: Convert to fraction form
    519,189,030,703.56/716,485,069,195.65 = 287,706,416,611.17/x
  3. Step 3: Cross multiply
    519,189,030,703.56x = 716,485,069,195.65 × 287,706,416,611.17
  4. Step 4: Simplify right side
    519,189,030,703.56x = 206,137,351,813,686,630,547,456
  5. Step 5: Solve for x
    x = 206,137,351,813,686,630,547,456/519,189,030,703.56
  6. Step 6: Final answer
    x = 397,037,186,117.64

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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.