Home / 520,815,005.80-780,136,007.10-244,701,881.80

Finding the Fourth Proportional to 520,815,005.80, 780,136,007.10 and 244,701,881.80

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Solution

The fourth proportional to 520,815,005.80, 780,136,007.10 and 244,701,881.80 is: 366,542,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,815,005.80 : 780,136,007.10 = 244,701,881.80 : x
  2. Step 2: Convert to fraction form
    520,815,005.80/780,136,007.10 = 244,701,881.80/x
  3. Step 3: Cross multiply
    520,815,005.80x = 780,136,007.10 × 244,701,881.80
  4. Step 4: Simplify right side
    520,815,005.80x = 190,900,748,997,308,160
  5. Step 5: Solve for x
    x = 190,900,748,997,308,160/520,815,005.80
  6. Step 6: Final answer
    x = 366,542,336.28

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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.