Home / 504,306,640.80-756,459,961.20-402,269,968.80

Finding the Fourth Proportional to 504,306,640.80, 756,459,961.20 and 402,269,968.80

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Solution

The fourth proportional to 504,306,640.80, 756,459,961.20 and 402,269,968.80 is: 603,404,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,306,640.80 : 756,459,961.20 = 402,269,968.80 : x
  2. Step 2: Convert to fraction form
    504,306,640.80/756,459,961.20 = 402,269,968.80/x
  3. Step 3: Cross multiply
    504,306,640.80x = 756,459,961.20 × 402,269,968.80
  4. Step 4: Simplify right side
    504,306,640.80x = 304,301,124,990,373,248
  5. Step 5: Solve for x
    x = 304,301,124,990,373,248/504,306,640.80
  6. Step 6: Final answer
    x = 603,404,953.20

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Double scale
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1.5x scale

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.