Home / 618,374,413.10-927,561,619.65-557,152,409.90

Finding the Fourth Proportional to 618,374,413.10, 927,561,619.65 and 557,152,409.90

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Solution

The fourth proportional to 618,374,413.10, 927,561,619.65 and 557,152,409.90 is: 835,728,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,374,413.10 : 927,561,619.65 = 557,152,409.90 : x
  2. Step 2: Convert to fraction form
    618,374,413.10/927,561,619.65 = 557,152,409.90/x
  3. Step 3: Cross multiply
    618,374,413.10x = 927,561,619.65 × 557,152,409.90
  4. Step 4: Simplify right side
    618,374,413.10x = 516,793,191,718,744,640
  5. Step 5: Solve for x
    x = 516,793,191,718,744,640/618,374,413.10
  6. Step 6: Final answer
    x = 835,728,614.85

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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.