Home / 1,151,272,217.80-1,727,029,296.96-374,978,328.76

Finding the Fourth Proportional to 1,151,272,217.80, 1,727,029,296.96 and 374,978,328.76

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Solution

The fourth proportional to 1,151,272,217.80, 1,727,029,296.96 and 374,978,328.76 is: 562,506,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,272,217.80 : 1,727,029,296.96 = 374,978,328.76 : x
  2. Step 2: Convert to fraction form
    1,151,272,217.80/1,727,029,296.96 = 374,978,328.76/x
  3. Step 3: Cross multiply
    1,151,272,217.80x = 1,727,029,296.96 × 374,978,328.76
  4. Step 4: Simplify right side
    1,151,272,217.80x = 647,598,559,493,618,560
  5. Step 5: Solve for x
    x = 647,598,559,493,618,560/1,151,272,217.80
  6. Step 6: Final answer
    x = 562,506,894.10

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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.