Home / 39,642,767,031-54,708,462,053.82-21,577,410,712.20

Finding the Fourth Proportional to 39,642,767,031, 54,708,462,053.82 and 21,577,410,712.20

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Solution

The fourth proportional to 39,642,767,031, 54,708,462,053.82 and 21,577,410,712.20 is: 29,777,612,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,642,767,031 : 54,708,462,053.82 = 21,577,410,712.20 : x
  2. Step 2: Convert to fraction form
    39,642,767,031/54,708,462,053.82 = 21,577,410,712.20/x
  3. Step 3: Cross multiply
    39,642,767,031x = 54,708,462,053.82 × 21,577,410,712.20
  4. Step 4: Simplify right side
    39,642,767,031x = 1,180,466,955,168,082,952,192
  5. Step 5: Solve for x
    x = 1,180,466,955,168,082,952,192/39,642,767,031
  6. Step 6: Final answer
    x = 29,777,612,502.30

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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.