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Finding the Fourth Proportional to 569,907,259.20, 854,860,888.80 and 538,162,516.80

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Solution

The fourth proportional to 569,907,259.20, 854,860,888.80 and 538,162,516.80 is: 807,243,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,907,259.20 : 854,860,888.80 = 538,162,516.80 : x
  2. Step 2: Convert to fraction form
    569,907,259.20/854,860,888.80 = 538,162,516.80/x
  3. Step 3: Cross multiply
    569,907,259.20x = 854,860,888.80 × 538,162,516.80
  4. Step 4: Simplify right side
    569,907,259.20x = 460,054,087,430,492,864
  5. Step 5: Solve for x
    x = 460,054,087,430,492,864/569,907,259.20
  6. Step 6: Final answer
    x = 807,243,775.20

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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.