Home / 21,167,132,422.08-31,750,698,622.18-7,903,426,529.82

Finding the Fourth Proportional to 21,167,132,422.08, 31,750,698,622.18 and 7,903,426,529.82

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Solution

The fourth proportional to 21,167,132,422.08, 31,750,698,622.18 and 7,903,426,529.82 is: 11,855,139,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,132,422.08 : 31,750,698,622.18 = 7,903,426,529.82 : x
  2. Step 2: Convert to fraction form
    21,167,132,422.08/31,750,698,622.18 = 7,903,426,529.82/x
  3. Step 3: Cross multiply
    21,167,132,422.08x = 31,750,698,622.18 × 7,903,426,529.82
  4. Step 4: Simplify right side
    21,167,132,422.08x = 250,939,313,830,856,720,384
  5. Step 5: Solve for x
    x = 250,939,313,830,856,720,384/21,167,132,422.08
  6. Step 6: Final answer
    x = 11,855,139,790.65

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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.