Home / 7,053,228,760,855.90-9,733,757,366,832.80-3,928,160,769,872.40

Finding the Fourth Proportional to 7,053,228,760,855.90, 9,733,757,366,832.80 and 3,928,160,769,872.40

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Solution

The fourth proportional to 7,053,228,760,855.90, 9,733,757,366,832.80 and 3,928,160,769,872.40 is: 5,421,029,875,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053,228,760,855.90 : 9,733,757,366,832.80 = 3,928,160,769,872.40 : x
  2. Step 2: Convert to fraction form
    7,053,228,760,855.90/9,733,757,366,832.80 = 3,928,160,769,872.40/x
  3. Step 3: Cross multiply
    7,053,228,760,855.90x = 9,733,757,366,832.80 × 3,928,160,769,872.40
  4. Step 4: Simplify right side
    7,053,228,760,855.90x = 38,235,763,831,849,080,502,353,920
  5. Step 5: Solve for x
    x = 38,235,763,831,849,080,502,353,920/7,053,228,760,855.90
  6. Step 6: Final answer
    x = 5,421,029,875,572.79

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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.