Home / 416,099,282.40-574,602,994.80-311,495,752.80

Finding the Fourth Proportional to 416,099,282.40, 574,602,994.80 and 311,495,752.80

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Solution

The fourth proportional to 416,099,282.40, 574,602,994.80 and 311,495,752.80 is: 430,153,090.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,099,282.40 : 574,602,994.80 = 311,495,752.80 : x
  2. Step 2: Convert to fraction form
    416,099,282.40/574,602,994.80 = 311,495,752.80/x
  3. Step 3: Cross multiply
    416,099,282.40x = 574,602,994.80 × 311,495,752.80
  4. Step 4: Simplify right side
    416,099,282.40x = 178,986,392,426,360,480
  5. Step 5: Solve for x
    x = 178,986,392,426,360,480/416,099,282.40
  6. Step 6: Final answer
    x = 430,153,090.85

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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.