Home / 1,091,481,060.79-1,637,221,404.38-345,020,837.68

Finding the Fourth Proportional to 1,091,481,060.79, 1,637,221,404.38 and 345,020,837.68

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Solution

The fourth proportional to 1,091,481,060.79, 1,637,221,404.38 and 345,020,837.68 is: 517,531,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,481,060.79 : 1,637,221,404.38 = 345,020,837.68 : x
  2. Step 2: Convert to fraction form
    1,091,481,060.79/1,637,221,404.38 = 345,020,837.68/x
  3. Step 3: Cross multiply
    1,091,481,060.79x = 1,637,221,404.38 × 345,020,837.68
  4. Step 4: Simplify right side
    1,091,481,060.79x = 564,875,500,409,101,632
  5. Step 5: Solve for x
    x = 564,875,500,409,101,632/1,091,481,060.79
  6. Step 6: Final answer
    x = 517,531,197.47

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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.