Home / 488,020,064.32-731,806,818.24-291,372,722.56

Finding the Fourth Proportional to 488,020,064.32, 731,806,818.24 and 291,372,722.56

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Solution

The fourth proportional to 488,020,064.32, 731,806,818.24 and 291,372,722.56 is: 436,925,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,020,064.32 : 731,806,818.24 = 291,372,722.56 : x
  2. Step 2: Convert to fraction form
    488,020,064.32/731,806,818.24 = 291,372,722.56/x
  3. Step 3: Cross multiply
    488,020,064.32x = 731,806,818.24 × 291,372,722.56
  4. Step 4: Simplify right side
    488,020,064.32x = 213,228,545,018,559,872
  5. Step 5: Solve for x
    x = 213,228,545,018,559,872/488,020,064.32
  6. Step 6: Final answer
    x = 436,925,775.41

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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.