Home / 1,491,501,190.32-2,237,258,862-456,360,420.24

Finding the Fourth Proportional to 1,491,501,190.32, 2,237,258,862 and 456,360,420.24

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Solution

The fourth proportional to 1,491,501,190.32, 2,237,258,862 and 456,360,420.24 is: 684,542,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,501,190.32 : 2,237,258,862 = 456,360,420.24 : x
  2. Step 2: Convert to fraction form
    1,491,501,190.32/2,237,258,862 = 456,360,420.24/x
  3. Step 3: Cross multiply
    1,491,501,190.32x = 2,237,258,862 × 456,360,420.24
  4. Step 4: Simplify right side
    1,491,501,190.32x = 1,020,996,394,447,984,128
  5. Step 5: Solve for x
    x = 1,020,996,394,447,984,128/1,491,501,190.32
  6. Step 6: Final answer
    x = 684,542,795.59

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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.