Home / 404,742,529.55-607,113,717.78-220,664,800.80

Finding the Fourth Proportional to 404,742,529.55, 607,113,717.78 and 220,664,800.80

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Solution

The fourth proportional to 404,742,529.55, 607,113,717.78 and 220,664,800.80 is: 330,997,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,742,529.55 : 607,113,717.78 = 220,664,800.80 : x
  2. Step 2: Convert to fraction form
    404,742,529.55/607,113,717.78 = 220,664,800.80/x
  3. Step 3: Cross multiply
    404,742,529.55x = 607,113,717.78 × 220,664,800.80
  4. Step 4: Simplify right side
    404,742,529.55x = 133,968,627,597,698,624
  5. Step 5: Solve for x
    x = 133,968,627,597,698,624/404,742,529.55
  6. Step 6: Final answer
    x = 330,997,159.47

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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.