Home / 489,359,650.80-734,039,476.20-166,243,522.80

Finding the Fourth Proportional to 489,359,650.80, 734,039,476.20 and 166,243,522.80

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Solution

The fourth proportional to 489,359,650.80, 734,039,476.20 and 166,243,522.80 is: 249,365,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,359,650.80 : 734,039,476.20 = 166,243,522.80 : x
  2. Step 2: Convert to fraction form
    489,359,650.80/734,039,476.20 = 166,243,522.80/x
  3. Step 3: Cross multiply
    489,359,650.80x = 734,039,476.20 × 166,243,522.80
  4. Step 4: Simplify right side
    489,359,650.80x = 122,029,308,397,754,768
  5. Step 5: Solve for x
    x = 122,029,308,397,754,768/489,359,650.80
  6. Step 6: Final answer
    x = 249,365,284.20

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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.