Home / 354,862,413.30-531,497,357.55-291,161,421.30

Finding the Fourth Proportional to 354,862,413.30, 531,497,357.55 and 291,161,421.30

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Solution

The fourth proportional to 354,862,413.30, 531,497,357.55 and 291,161,421.30 is: 436,088,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,862,413.30 : 531,497,357.55 = 291,161,421.30 : x
  2. Step 2: Convert to fraction form
    354,862,413.30/531,497,357.55 = 291,161,421.30/x
  3. Step 3: Cross multiply
    354,862,413.30x = 531,497,357.55 × 291,161,421.30
  4. Step 4: Simplify right side
    354,862,413.30x = 154,751,526,041,452,288
  5. Step 5: Solve for x
    x = 154,751,526,041,452,288/354,862,413.30
  6. Step 6: Final answer
    x = 436,088,805.81

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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.