Home / 1,456,410,375.60-2,185,371,390.60-638,605,345.20

Finding the Fourth Proportional to 1,456,410,375.60, 2,185,371,390.60 and 638,605,345.20

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Solution

The fourth proportional to 1,456,410,375.60, 2,185,371,390.60 and 638,605,345.20 is: 958,239,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,410,375.60 : 2,185,371,390.60 = 638,605,345.20 : x
  2. Step 2: Convert to fraction form
    1,456,410,375.60/2,185,371,390.60 = 638,605,345.20/x
  3. Step 3: Cross multiply
    1,456,410,375.60x = 2,185,371,390.60 × 638,605,345.20
  4. Step 4: Simplify right side
    1,456,410,375.60x = 1,395,589,851,284,317,184
  5. Step 5: Solve for x
    x = 1,395,589,851,284,317,184/1,456,410,375.60
  6. Step 6: Final answer
    x = 958,239,432.14

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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.