Home / 879,067,681.52-1,317,598,499.76-354,100,867.88

Finding the Fourth Proportional to 879,067,681.52, 1,317,598,499.76 and 354,100,867.88

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Solution

The fourth proportional to 879,067,681.52, 1,317,598,499.76 and 354,100,867.88 is: 530,747,270.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,067,681.52 : 1,317,598,499.76 = 354,100,867.88 : x
  2. Step 2: Convert to fraction form
    879,067,681.52/1,317,598,499.76 = 354,100,867.88/x
  3. Step 3: Cross multiply
    879,067,681.52x = 1,317,598,499.76 × 354,100,867.88
  4. Step 4: Simplify right side
    879,067,681.52x = 466,562,772,282,401,984
  5. Step 5: Solve for x
    x = 466,562,772,282,401,984/879,067,681.52
  6. Step 6: Final answer
    x = 530,747,270.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.