Home / 560,077,420.80-840,116,131.20-484,579,948.80

Finding the Fourth Proportional to 560,077,420.80, 840,116,131.20 and 484,579,948.80

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Solution

The fourth proportional to 560,077,420.80, 840,116,131.20 and 484,579,948.80 is: 726,869,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,077,420.80 : 840,116,131.20 = 484,579,948.80 : x
  2. Step 2: Convert to fraction form
    560,077,420.80/840,116,131.20 = 484,579,948.80/x
  3. Step 3: Cross multiply
    560,077,420.80x = 840,116,131.20 × 484,579,948.80
  4. Step 4: Simplify right side
    560,077,420.80x = 407,103,431,842,950,144
  5. Step 5: Solve for x
    x = 407,103,431,842,950,144/560,077,420.80
  6. Step 6: Final answer
    x = 726,869,923.20

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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.