Home / 38,873,234,848.80-53,644,797,019.44-21,051,484,523.04

Finding the Fourth Proportional to 38,873,234,848.80, 53,644,797,019.44 and 21,051,484,523.04

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Solution

The fourth proportional to 38,873,234,848.80, 53,644,797,019.44 and 21,051,484,523.04 is: 29,050,904,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,873,234,848.80 : 53,644,797,019.44 = 21,051,484,523.04 : x
  2. Step 2: Convert to fraction form
    38,873,234,848.80/53,644,797,019.44 = 21,051,484,523.04/x
  3. Step 3: Cross multiply
    38,873,234,848.80x = 53,644,797,019.44 × 21,051,484,523.04
  4. Step 4: Simplify right side
    38,873,234,848.80x = 1,129,302,614,196,363,591,680
  5. Step 5: Solve for x
    x = 1,129,302,614,196,363,591,680/38,873,234,848.80
  6. Step 6: Final answer
    x = 29,050,904,011.18

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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.