Home / 489,075,324.60-733,612,986.90-325,816,649.40

Finding the Fourth Proportional to 489,075,324.60, 733,612,986.90 and 325,816,649.40

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Solution

The fourth proportional to 489,075,324.60, 733,612,986.90 and 325,816,649.40 is: 488,724,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,075,324.60 : 733,612,986.90 = 325,816,649.40 : x
  2. Step 2: Convert to fraction form
    489,075,324.60/733,612,986.90 = 325,816,649.40/x
  3. Step 3: Cross multiply
    489,075,324.60x = 733,612,986.90 × 325,816,649.40
  4. Step 4: Simplify right side
    489,075,324.60x = 239,023,325,348,084,064
  5. Step 5: Solve for x
    x = 239,023,325,348,084,064/489,075,324.60
  6. Step 6: Final answer
    x = 488,724,974.10

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1.5x scale

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.