Home / 883,315,588.80-1,325,036,368.80-269,898,830.40

Finding the Fourth Proportional to 883,315,588.80, 1,325,036,368.80 and 269,898,830.40

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Solution

The fourth proportional to 883,315,588.80, 1,325,036,368.80 and 269,898,830.40 is: 404,867,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,315,588.80 : 1,325,036,368.80 = 269,898,830.40 : x
  2. Step 2: Convert to fraction form
    883,315,588.80/1,325,036,368.80 = 269,898,830.40/x
  3. Step 3: Cross multiply
    883,315,588.80x = 1,325,036,368.80 × 269,898,830.40
  4. Step 4: Simplify right side
    883,315,588.80x = 357,625,766,176,582,976
  5. Step 5: Solve for x
    x = 357,625,766,176,582,976/883,315,588.80
  6. Step 6: Final answer
    x = 404,867,490.98

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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.