Home / 6,921,637,725.48-10,382,456,708.48-1,681,210,623.76

Finding the Fourth Proportional to 6,921,637,725.48, 10,382,456,708.48 and 1,681,210,623.76

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Solution

The fourth proportional to 6,921,637,725.48, 10,382,456,708.48 and 1,681,210,623.76 is: 2,521,815,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,637,725.48 : 10,382,456,708.48 = 1,681,210,623.76 : x
  2. Step 2: Convert to fraction form
    6,921,637,725.48/10,382,456,708.48 = 1,681,210,623.76/x
  3. Step 3: Cross multiply
    6,921,637,725.48x = 10,382,456,708.48 × 1,681,210,623.76
  4. Step 4: Simplify right side
    6,921,637,725.48x = 17,455,096,519,024,857,088
  5. Step 5: Solve for x
    x = 17,455,096,519,024,857,088/6,921,637,725.48
  6. Step 6: Final answer
    x = 2,521,815,964.85

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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.