Home / 425,739,032.80-638,421,925.20-195,631,640.80

Finding the Fourth Proportional to 425,739,032.80, 638,421,925.20 and 195,631,640.80

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Solution

The fourth proportional to 425,739,032.80, 638,421,925.20 and 195,631,640.80 is: 293,361,705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,739,032.80 : 638,421,925.20 = 195,631,640.80 : x
  2. Step 2: Convert to fraction form
    425,739,032.80/638,421,925.20 = 195,631,640.80/x
  3. Step 3: Cross multiply
    425,739,032.80x = 638,421,925.20 × 195,631,640.80
  4. Step 4: Simplify right side
    425,739,032.80x = 124,895,528,749,570,880
  5. Step 5: Solve for x
    x = 124,895,528,749,570,880/425,739,032.80
  6. Step 6: Final answer
    x = 293,361,705.48

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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.