Home / 699,017,612.47-964,664,756.44-381,498,223.82

Finding the Fourth Proportional to 699,017,612.47, 964,664,756.44 and 381,498,223.82

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Solution

The fourth proportional to 699,017,612.47, 964,664,756.44 and 381,498,223.82 is: 526,478,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,017,612.47 : 964,664,756.44 = 381,498,223.82 : x
  2. Step 2: Convert to fraction form
    699,017,612.47/964,664,756.44 = 381,498,223.82/x
  3. Step 3: Cross multiply
    699,017,612.47x = 964,664,756.44 × 381,498,223.82
  4. Step 4: Simplify right side
    699,017,612.47x = 368,017,891,157,835,840
  5. Step 5: Solve for x
    x = 368,017,891,157,835,840/699,017,612.47
  6. Step 6: Final answer
    x = 526,478,710.40

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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.