Home / 489,075,678.40-733,418,655.90-161,460,016.60

Finding the Fourth Proportional to 489,075,678.40, 733,418,655.90 and 161,460,016.60

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Solution

The fourth proportional to 489,075,678.40, 733,418,655.90 and 161,460,016.60 is: 242,125,694.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,075,678.40 : 733,418,655.90 = 161,460,016.60 : x
  2. Step 2: Convert to fraction form
    489,075,678.40/733,418,655.90 = 161,460,016.60/x
  3. Step 3: Cross multiply
    489,075,678.40x = 733,418,655.90 × 161,460,016.60
  4. Step 4: Simplify right side
    489,075,678.40x = 118,417,788,356,363,680
  5. Step 5: Solve for x
    x = 118,417,788,356,363,680/489,075,678.40
  6. Step 6: Final answer
    x = 242,125,694.62

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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.