Home / 478,310,830.80-717,466,246.20-155,194,702.80

Finding the Fourth Proportional to 478,310,830.80, 717,466,246.20 and 155,194,702.80

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Solution

The fourth proportional to 478,310,830.80, 717,466,246.20 and 155,194,702.80 is: 232,792,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,310,830.80 : 717,466,246.20 = 155,194,702.80 : x
  2. Step 2: Convert to fraction form
    478,310,830.80/717,466,246.20 = 155,194,702.80/x
  3. Step 3: Cross multiply
    478,310,830.80x = 717,466,246.20 × 155,194,702.80
  4. Step 4: Simplify right side
    478,310,830.80x = 111,346,960,848,040,640
  5. Step 5: Solve for x
    x = 111,346,960,848,040,640/478,310,830.80
  6. Step 6: Final answer
    x = 232,792,054.20

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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.