Home / 538,847,634.40-808,271,451.60-366,660,750.40

Finding the Fourth Proportional to 538,847,634.40, 808,271,451.60 and 366,660,750.40

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Solution

The fourth proportional to 538,847,634.40, 808,271,451.60 and 366,660,750.40 is: 549,991,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,847,634.40 : 808,271,451.60 = 366,660,750.40 : x
  2. Step 2: Convert to fraction form
    538,847,634.40/808,271,451.60 = 366,660,750.40/x
  3. Step 3: Cross multiply
    538,847,634.40x = 808,271,451.60 × 366,660,750.40
  4. Step 4: Simplify right side
    538,847,634.40x = 296,361,416,970,553,280
  5. Step 5: Solve for x
    x = 296,361,416,970,553,280/538,847,634.40
  6. Step 6: Final answer
    x = 549,991,125.60

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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.