Home / 505,495,364.60-758,243,046.90-486,124,340.15

Finding the Fourth Proportional to 505,495,364.60, 758,243,046.90 and 486,124,340.15

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Solution

The fourth proportional to 505,495,364.60, 758,243,046.90 and 486,124,340.15 is: 729,186,510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,495,364.60 : 758,243,046.90 = 486,124,340.15 : x
  2. Step 2: Convert to fraction form
    505,495,364.60/758,243,046.90 = 486,124,340.15/x
  3. Step 3: Cross multiply
    505,495,364.60x = 758,243,046.90 × 486,124,340.15
  4. Step 4: Simplify right side
    505,495,364.60x = 368,600,400,847,587,968
  5. Step 5: Solve for x
    x = 368,600,400,847,587,968/505,495,364.60
  6. Step 6: Final answer
    x = 729,186,510.23

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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.