Home / 576,416,981.70-795,455,810.20-312,099,153.94

Finding the Fourth Proportional to 576,416,981.70, 795,455,810.20 and 312,099,153.94

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Solution

The fourth proportional to 576,416,981.70, 795,455,810.20 and 312,099,153.94 is: 430,697,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,416,981.70 : 795,455,810.20 = 312,099,153.94 : x
  2. Step 2: Convert to fraction form
    576,416,981.70/795,455,810.20 = 312,099,153.94/x
  3. Step 3: Cross multiply
    576,416,981.70x = 795,455,810.20 × 312,099,153.94
  4. Step 4: Simplify right side
    576,416,981.70x = 248,261,085,360,077,248
  5. Step 5: Solve for x
    x = 248,261,085,360,077,248/576,416,981.70
  6. Step 6: Final answer
    x = 430,697,035.73

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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.