Home / 472,393,886.80-708,590,830.20-456,521,515.60

Finding the Fourth Proportional to 472,393,886.80, 708,590,830.20 and 456,521,515.60

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Solution

The fourth proportional to 472,393,886.80, 708,590,830.20 and 456,521,515.60 is: 684,782,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,886.80 : 708,590,830.20 = 456,521,515.60 : x
  2. Step 2: Convert to fraction form
    472,393,886.80/708,590,830.20 = 456,521,515.60/x
  3. Step 3: Cross multiply
    472,393,886.80x = 708,590,830.20 × 456,521,515.60
  4. Step 4: Simplify right side
    472,393,886.80x = 323,486,959,743,166,272
  5. Step 5: Solve for x
    x = 323,486,959,743,166,272/472,393,886.80
  6. Step 6: Final answer
    x = 684,782,273.40

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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.