Home / 1,002,351,523,299.10-1,503,634,881,416.20-428,727,210,872.08

Finding the Fourth Proportional to 1,002,351,523,299.10, 1,503,634,881,416.20 and 428,727,210,872.08

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Solution

The fourth proportional to 1,002,351,523,299.10, 1,503,634,881,416.20 and 428,727,210,872.08 is: 643,136,837,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,351,523,299.10 : 1,503,634,881,416.20 = 428,727,210,872.08 : x
  2. Step 2: Convert to fraction form
    1,002,351,523,299.10/1,503,634,881,416.20 = 428,727,210,872.08/x
  3. Step 3: Cross multiply
    1,002,351,523,299.10x = 1,503,634,881,416.20 × 428,727,210,872.08
  4. Step 4: Simplify right side
    1,002,351,523,299.10x = 644,649,188,879,538,153,586,688
  5. Step 5: Solve for x
    x = 644,649,188,879,538,153,586,688/1,002,351,523,299.10
  6. Step 6: Final answer
    x = 643,136,837,621.36

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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.