Home / 519,189,030,706.56-716,485,069,199.76-287,706,416,614.16

Finding the Fourth Proportional to 519,189,030,706.56, 716,485,069,199.76 and 287,706,416,614.16

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Solution

The fourth proportional to 519,189,030,706.56, 716,485,069,199.76 and 287,706,416,614.16 is: 397,037,186,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,189,030,706.56 : 716,485,069,199.76 = 287,706,416,614.16 : x
  2. Step 2: Convert to fraction form
    519,189,030,706.56/716,485,069,199.76 = 287,706,416,614.16/x
  3. Step 3: Cross multiply
    519,189,030,706.56x = 716,485,069,199.76 × 287,706,416,614.16
  4. Step 4: Simplify right side
    519,189,030,706.56x = 206,137,351,817,011,404,996,608
  5. Step 5: Solve for x
    x = 206,137,351,817,011,404,996,608/519,189,030,706.56
  6. Step 6: Final answer
    x = 397,037,186,121.75

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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.