Home / 458,643,138.60-632,999,416.14-270,492,113.28

Finding the Fourth Proportional to 458,643,138.60, 632,999,416.14 and 270,492,113.28

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Solution

The fourth proportional to 458,643,138.60, 632,999,416.14 and 270,492,113.28 is: 373,321,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,643,138.60 : 632,999,416.14 = 270,492,113.28 : x
  2. Step 2: Convert to fraction form
    458,643,138.60/632,999,416.14 = 270,492,113.28/x
  3. Step 3: Cross multiply
    458,643,138.60x = 632,999,416.14 × 270,492,113.28
  4. Step 4: Simplify right side
    458,643,138.60x = 171,221,349,776,714,720
  5. Step 5: Solve for x
    x = 171,221,349,776,714,720/458,643,138.60
  6. Step 6: Final answer
    x = 373,321,511.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.