Home / 772,652,459.88-1,159,455,399.91-358,052,002.20

Finding the Fourth Proportional to 772,652,459.88, 1,159,455,399.91 and 358,052,002.20

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Solution

The fourth proportional to 772,652,459.88, 1,159,455,399.91 and 358,052,002.20 is: 537,298,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,652,459.88 : 1,159,455,399.91 = 358,052,002.20 : x
  2. Step 2: Convert to fraction form
    772,652,459.88/1,159,455,399.91 = 358,052,002.20/x
  3. Step 3: Cross multiply
    772,652,459.88x = 1,159,455,399.91 × 358,052,002.20
  4. Step 4: Simplify right side
    772,652,459.88x = 415,145,327,404,190,592
  5. Step 5: Solve for x
    x = 415,145,327,404,190,592/772,652,459.88
  6. Step 6: Final answer
    x = 537,298,913.75

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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.