Home / 489,912,032.20-734,868,048.30-403,747,731.40

Finding the Fourth Proportional to 489,912,032.20, 734,868,048.30 and 403,747,731.40

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Solution

The fourth proportional to 489,912,032.20, 734,868,048.30 and 403,747,731.40 is: 605,621,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,912,032.20 : 734,868,048.30 = 403,747,731.40 : x
  2. Step 2: Convert to fraction form
    489,912,032.20/734,868,048.30 = 403,747,731.40/x
  3. Step 3: Cross multiply
    489,912,032.20x = 734,868,048.30 × 403,747,731.40
  4. Step 4: Simplify right side
    489,912,032.20x = 296,701,307,379,470,592
  5. Step 5: Solve for x
    x = 296,701,307,379,470,592/489,912,032.20
  6. Step 6: Final answer
    x = 605,621,597.10

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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.