Home / 539,136,004.80-808,704,007.20-194,142,878.40

Finding the Fourth Proportional to 539,136,004.80, 808,704,007.20 and 194,142,878.40

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Solution

The fourth proportional to 539,136,004.80, 808,704,007.20 and 194,142,878.40 is: 291,214,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,004.80 : 808,704,007.20 = 194,142,878.40 : x
  2. Step 2: Convert to fraction form
    539,136,004.80/808,704,007.20 = 194,142,878.40/x
  3. Step 3: Cross multiply
    539,136,004.80x = 808,704,007.20 × 194,142,878.40
  4. Step 4: Simplify right side
    539,136,004.80x = 157,004,123,731,422,336
  5. Step 5: Solve for x
    x = 157,004,123,731,422,336/539,136,004.80
  6. Step 6: Final answer
    x = 291,214,317.60

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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.