Home / 20,181,210,381.90-27,850,081,500.93-10,900,828,660.35

Finding the Fourth Proportional to 20,181,210,381.90, 27,850,081,500.93 and 10,900,828,660.35

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Solution

The fourth proportional to 20,181,210,381.90, 27,850,081,500.93 and 10,900,828,660.35 is: 15,043,149,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,210,381.90 : 27,850,081,500.93 = 10,900,828,660.35 : x
  2. Step 2: Convert to fraction form
    20,181,210,381.90/27,850,081,500.93 = 10,900,828,660.35/x
  3. Step 3: Cross multiply
    20,181,210,381.90x = 27,850,081,500.93 × 10,900,828,660.35
  4. Step 4: Simplify right side
    20,181,210,381.90x = 303,588,966,618,442,891,264
  5. Step 5: Solve for x
    x = 303,588,966,618,442,891,264/20,181,210,381.90
  6. Step 6: Final answer
    x = 15,043,149,586.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.