Home / 287,913,291,826.46-397,128,985,344.81-185,160,394,452.64

Finding the Fourth Proportional to 287,913,291,826.46, 397,128,985,344.81 and 185,160,394,452.64

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Solution

The fourth proportional to 287,913,291,826.46, 397,128,985,344.81 and 185,160,394,452.64 is: 255,398,280,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,913,291,826.46 : 397,128,985,344.81 = 185,160,394,452.64 : x
  2. Step 2: Convert to fraction form
    287,913,291,826.46/397,128,985,344.81 = 185,160,394,452.64/x
  3. Step 3: Cross multiply
    287,913,291,826.46x = 397,128,985,344.81 × 185,160,394,452.64
  4. Step 4: Simplify right side
    287,913,291,826.46x = 73,532,559,575,021,715,980,288
  5. Step 5: Solve for x
    x = 73,532,559,575,021,715,980,288/287,913,291,826.46
  6. Step 6: Final answer
    x = 255,398,280,185.49

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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.