Home / 489,075,679.40-733,418,657.40-161,460,017.60

Finding the Fourth Proportional to 489,075,679.40, 733,418,657.40 and 161,460,017.60

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Solution

The fourth proportional to 489,075,679.40, 733,418,657.40 and 161,460,017.60 is: 242,125,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,075,679.40 : 733,418,657.40 = 161,460,017.60 : x
  2. Step 2: Convert to fraction form
    489,075,679.40/733,418,657.40 = 161,460,017.60/x
  3. Step 3: Cross multiply
    489,075,679.40x = 733,418,657.40 × 161,460,017.60
  4. Step 4: Simplify right side
    489,075,679.40x = 118,417,789,331,972,368
  5. Step 5: Solve for x
    x = 118,417,789,331,972,368/489,075,679.40
  6. Step 6: Final answer
    x = 242,125,696.12

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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.