Home / 1,223,633,420.92-1,835,808,294.26-394,570,389.79

Finding the Fourth Proportional to 1,223,633,420.92, 1,835,808,294.26 and 394,570,389.79

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Solution

The fourth proportional to 1,223,633,420.92, 1,835,808,294.26 and 394,570,389.79 is: 591,971,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,633,420.92 : 1,835,808,294.26 = 394,570,389.79 : x
  2. Step 2: Convert to fraction form
    1,223,633,420.92/1,835,808,294.26 = 394,570,389.79/x
  3. Step 3: Cross multiply
    1,223,633,420.92x = 1,835,808,294.26 × 394,570,389.79
  4. Step 4: Simplify right side
    1,223,633,420.92x = 724,355,594,245,883,264
  5. Step 5: Solve for x
    x = 724,355,594,245,883,264/1,223,633,420.92
  6. Step 6: Final answer
    x = 591,971,077.17

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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.