Home / 324,758,807.60-487,138,211.40-292,510,180.40

Finding the Fourth Proportional to 324,758,807.60, 487,138,211.40 and 292,510,180.40

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Solution

The fourth proportional to 324,758,807.60, 487,138,211.40 and 292,510,180.40 is: 438,765,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,758,807.60 : 487,138,211.40 = 292,510,180.40 : x
  2. Step 2: Convert to fraction form
    324,758,807.60/487,138,211.40 = 292,510,180.40/x
  3. Step 3: Cross multiply
    324,758,807.60x = 487,138,211.40 × 292,510,180.40
  4. Step 4: Simplify right side
    324,758,807.60x = 142,492,886,096,347,312
  5. Step 5: Solve for x
    x = 142,492,886,096,347,312/324,758,807.60
  6. Step 6: Final answer
    x = 438,765,270.60

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1.5x scale

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.