Home / 255,639,153.60-383,458,730.40-242,538,148.80

Finding the Fourth Proportional to 255,639,153.60, 383,458,730.40 and 242,538,148.80

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Solution

The fourth proportional to 255,639,153.60, 383,458,730.40 and 242,538,148.80 is: 363,807,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,639,153.60 : 383,458,730.40 = 242,538,148.80 : x
  2. Step 2: Convert to fraction form
    255,639,153.60/383,458,730.40 = 242,538,148.80/x
  3. Step 3: Cross multiply
    255,639,153.60x = 383,458,730.40 × 242,538,148.80
  4. Step 4: Simplify right side
    255,639,153.60x = 93,003,370,612,414,288
  5. Step 5: Solve for x
    x = 93,003,370,612,414,288/255,639,153.60
  6. Step 6: Final answer
    x = 363,807,223.20

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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.