Home / 242,548,992,128.40-363,823,488,192.60-85,462,345,856.40

Finding the Fourth Proportional to 242,548,992,128.40, 363,823,488,192.60 and 85,462,345,856.40

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Solution

The fourth proportional to 242,548,992,128.40, 363,823,488,192.60 and 85,462,345,856.40 is: 128,193,518,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,548,992,128.40 : 363,823,488,192.60 = 85,462,345,856.40 : x
  2. Step 2: Convert to fraction form
    242,548,992,128.40/363,823,488,192.60 = 85,462,345,856.40/x
  3. Step 3: Cross multiply
    242,548,992,128.40x = 363,823,488,192.60 × 85,462,345,856.40
  4. Step 4: Simplify right side
    242,548,992,128.40x = 31,093,208,778,597,837,307,904
  5. Step 5: Solve for x
    x = 31,093,208,778,597,837,307,904/242,548,992,128.40
  6. Step 6: Final answer
    x = 128,193,518,784.60

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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.