Home / 1,312,765,795.63-1,969,152,028.62-536,411,457.37

Finding the Fourth Proportional to 1,312,765,795.63, 1,969,152,028.62 and 536,411,457.37

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Solution

The fourth proportional to 1,312,765,795.63, 1,969,152,028.62 and 536,411,457.37 is: 804,618,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,765,795.63 : 1,969,152,028.62 = 536,411,457.37 : x
  2. Step 2: Convert to fraction form
    1,312,765,795.63/1,969,152,028.62 = 536,411,457.37/x
  3. Step 3: Cross multiply
    1,312,765,795.63x = 1,969,152,028.62 × 536,411,457.37
  4. Step 4: Simplify right side
    1,312,765,795.63x = 1,056,275,709,455,146,112
  5. Step 5: Solve for x
    x = 1,056,275,709,455,146,112/1,312,765,795.63
  6. Step 6: Final answer
    x = 804,618,548.85

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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.