Home / 1,223,633,421.42-1,835,808,295.01-394,570,390.29

Finding the Fourth Proportional to 1,223,633,421.42, 1,835,808,295.01 and 394,570,390.29

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Solution

The fourth proportional to 1,223,633,421.42, 1,835,808,295.01 and 394,570,390.29 is: 591,971,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,633,421.42 : 1,835,808,295.01 = 394,570,390.29 : x
  2. Step 2: Convert to fraction form
    1,223,633,421.42/1,835,808,295.01 = 394,570,390.29/x
  3. Step 3: Cross multiply
    1,223,633,421.42x = 1,835,808,295.01 × 394,570,390.29
  4. Step 4: Simplify right side
    1,223,633,421.42x = 724,355,595,457,742,336
  5. Step 5: Solve for x
    x = 724,355,595,457,742,336/1,223,633,421.42
  6. Step 6: Final answer
    x = 591,971,077.92

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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.