Home / 255,302,066,520.15-382,953,099,780.22-78,615,365,284.95

Finding the Fourth Proportional to 255,302,066,520.15, 382,953,099,780.22 and 78,615,365,284.95

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Solution

The fourth proportional to 255,302,066,520.15, 382,953,099,780.22 and 78,615,365,284.95 is: 117,923,047,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,302,066,520.15 : 382,953,099,780.22 = 78,615,365,284.95 : x
  2. Step 2: Convert to fraction form
    255,302,066,520.15/382,953,099,780.22 = 78,615,365,284.95/x
  3. Step 3: Cross multiply
    255,302,066,520.15x = 382,953,099,780.22 × 78,615,365,284.95
  4. Step 4: Simplify right side
    255,302,066,520.15x = 30,105,997,826,225,898,258,432
  5. Step 5: Solve for x
    x = 30,105,997,826,225,898,258,432/255,302,066,520.15
  6. Step 6: Final answer
    x = 117,923,047,927.42

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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.