Home / 772,301,207.20-1,158,451,810.80-357,777,227.20

Finding the Fourth Proportional to 772,301,207.20, 1,158,451,810.80 and 357,777,227.20

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Solution

The fourth proportional to 772,301,207.20, 1,158,451,810.80 and 357,777,227.20 is: 536,665,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,301,207.20 : 1,158,451,810.80 = 357,777,227.20 : x
  2. Step 2: Convert to fraction form
    772,301,207.20/1,158,451,810.80 = 357,777,227.20/x
  3. Step 3: Cross multiply
    772,301,207.20x = 1,158,451,810.80 × 357,777,227.20
  4. Step 4: Simplify right side
    772,301,207.20x = 414,467,676,712,843,008
  5. Step 5: Solve for x
    x = 414,467,676,712,843,008/772,301,207.20
  6. Step 6: Final answer
    x = 536,665,840.80

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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.