Home / 814,532,823.60-1,221,799,235.40-296,980,148.40

Finding the Fourth Proportional to 814,532,823.60, 1,221,799,235.40 and 296,980,148.40

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Solution

The fourth proportional to 814,532,823.60, 1,221,799,235.40 and 296,980,148.40 is: 445,470,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,532,823.60 : 1,221,799,235.40 = 296,980,148.40 : x
  2. Step 2: Convert to fraction form
    814,532,823.60/1,221,799,235.40 = 296,980,148.40/x
  3. Step 3: Cross multiply
    814,532,823.60x = 1,221,799,235.40 × 296,980,148.40
  4. Step 4: Simplify right side
    814,532,823.60x = 362,850,118,244,098,560
  5. Step 5: Solve for x
    x = 362,850,118,244,098,560/814,532,823.60
  6. Step 6: Final answer
    x = 445,470,222.60

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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.