Home / 517,824,137.20-776,736,205.80-470,048,393.20

Finding the Fourth Proportional to 517,824,137.20, 776,736,205.80 and 470,048,393.20

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Solution

The fourth proportional to 517,824,137.20, 776,736,205.80 and 470,048,393.20 is: 705,072,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,824,137.20 : 776,736,205.80 = 470,048,393.20 : x
  2. Step 2: Convert to fraction form
    517,824,137.20/776,736,205.80 = 470,048,393.20/x
  3. Step 3: Cross multiply
    517,824,137.20x = 776,736,205.80 × 470,048,393.20
  4. Step 4: Simplify right side
    517,824,137.20x = 365,103,605,476,554,496
  5. Step 5: Solve for x
    x = 365,103,605,476,554,496/517,824,137.20
  6. Step 6: Final answer
    x = 705,072,589.80

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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.