Home / 519,189,030,707.55-716,485,069,201.13-287,706,416,615.16

Finding the Fourth Proportional to 519,189,030,707.55, 716,485,069,201.13 and 287,706,416,615.16

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Solution

The fourth proportional to 519,189,030,707.55, 716,485,069,201.13 and 287,706,416,615.16 is: 397,037,186,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,189,030,707.55 : 716,485,069,201.13 = 287,706,416,615.16 : x
  2. Step 2: Convert to fraction form
    519,189,030,707.55/716,485,069,201.13 = 287,706,416,615.16/x
  3. Step 3: Cross multiply
    519,189,030,707.55x = 716,485,069,201.13 × 287,706,416,615.16
  4. Step 4: Simplify right side
    519,189,030,707.55x = 206,137,351,818,122,023,141,376
  5. Step 5: Solve for x
    x = 206,137,351,818,122,023,141,376/519,189,030,707.55
  6. Step 6: Final answer
    x = 397,037,186,123.13

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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.