Home / 505,671,465.60-758,557,718.10-137,212,266.60

Finding the Fourth Proportional to 505,671,465.60, 758,557,718.10 and 137,212,266.60

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Solution

The fourth proportional to 505,671,465.60, 758,557,718.10 and 137,212,266.60 is: 205,832,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,671,465.60 : 758,557,718.10 = 137,212,266.60 : x
  2. Step 2: Convert to fraction form
    505,671,465.60/758,557,718.10 = 137,212,266.60/x
  3. Step 3: Cross multiply
    505,671,465.60x = 758,557,718.10 × 137,212,266.60
  4. Step 4: Simplify right side
    505,671,465.60x = 104,083,423,847,424,848
  5. Step 5: Solve for x
    x = 104,083,423,847,424,848/505,671,465.60
  6. Step 6: Final answer
    x = 205,832,108.25

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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.