Home / 21,438,402,956.24-32,150,781,924.89-7,077,437,477.82

Finding the Fourth Proportional to 21,438,402,956.24, 32,150,781,924.89 and 7,077,437,477.82

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Solution

The fourth proportional to 21,438,402,956.24, 32,150,781,924.89 and 7,077,437,477.82 is: 10,613,903,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,438,402,956.24 : 32,150,781,924.89 = 7,077,437,477.82 : x
  2. Step 2: Convert to fraction form
    21,438,402,956.24/32,150,781,924.89 = 7,077,437,477.82/x
  3. Step 3: Cross multiply
    21,438,402,956.24x = 32,150,781,924.89 × 7,077,437,477.82
  4. Step 4: Simplify right side
    21,438,402,956.24x = 227,545,148,936,398,929,920
  5. Step 5: Solve for x
    x = 227,545,148,936,398,929,920/21,438,402,956.24
  6. Step 6: Final answer
    x = 10,613,903,908.84

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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.