Home / 1,002,351,522,491.40-1,503,634,880,204.80-428,727,210,064.52

Finding the Fourth Proportional to 1,002,351,522,491.40, 1,503,634,880,204.80 and 428,727,210,064.52

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Solution

The fourth proportional to 1,002,351,522,491.40, 1,503,634,880,204.80 and 428,727,210,064.52 is: 643,136,836,410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,351,522,491.40 : 1,503,634,880,204.80 = 428,727,210,064.52 : x
  2. Step 2: Convert to fraction form
    1,002,351,522,491.40/1,503,634,880,204.80 = 428,727,210,064.52/x
  3. Step 3: Cross multiply
    1,002,351,522,491.40x = 1,503,634,880,204.80 × 428,727,210,064.52
  4. Step 4: Simplify right side
    1,002,351,522,491.40x = 644,649,187,145,902,656,061,440
  5. Step 5: Solve for x
    x = 644,649,187,145,902,656,061,440/1,002,351,522,491.40
  6. Step 6: Final answer
    x = 643,136,836,410.04

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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.