Home / 215,078,038,873.42-322,458,011,590.85-130,068,934,410.60

Finding the Fourth Proportional to 215,078,038,873.42, 322,458,011,590.85 and 130,068,934,410.60

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Solution

The fourth proportional to 215,078,038,873.42, 322,458,011,590.85 and 130,068,934,410.60 is: 195,007,217,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,078,038,873.42 : 322,458,011,590.85 = 130,068,934,410.60 : x
  2. Step 2: Convert to fraction form
    215,078,038,873.42/322,458,011,590.85 = 130,068,934,410.60/x
  3. Step 3: Cross multiply
    215,078,038,873.42x = 322,458,011,590.85 × 130,068,934,410.60
  4. Step 4: Simplify right side
    215,078,038,873.42x = 41,941,769,959,782,760,841,216
  5. Step 5: Solve for x
    x = 41,941,769,959,782,760,841,216/215,078,038,873.42
  6. Step 6: Final answer
    x = 195,007,217,749.77

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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.