Home / 1,643,341,413.74-2,266,488,819.50-1,444,678,139.30

Finding the Fourth Proportional to 1,643,341,413.74, 2,266,488,819.50 and 1,444,678,139.30

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Solution

The fourth proportional to 1,643,341,413.74, 2,266,488,819.50 and 1,444,678,139.30 is: 1,992,493,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,341,413.74 : 2,266,488,819.50 = 1,444,678,139.30 : x
  2. Step 2: Convert to fraction form
    1,643,341,413.74/2,266,488,819.50 = 1,444,678,139.30/x
  3. Step 3: Cross multiply
    1,643,341,413.74x = 2,266,488,819.50 × 1,444,678,139.30
  4. Step 4: Simplify right side
    1,643,341,413.74x = 3,274,346,850,499,513,344
  5. Step 5: Solve for x
    x = 3,274,346,850,499,513,344/1,643,341,413.74
  6. Step 6: Final answer
    x = 1,992,493,357.21

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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.