Home / 499,213,386.32-747,363,012.54-291,314,716.88

Finding the Fourth Proportional to 499,213,386.32, 747,363,012.54 and 291,314,716.88

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Solution

The fourth proportional to 499,213,386.32, 747,363,012.54 and 291,314,716.88 is: 436,121,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,213,386.32 : 747,363,012.54 = 291,314,716.88 : x
  2. Step 2: Convert to fraction form
    499,213,386.32/747,363,012.54 = 291,314,716.88/x
  3. Step 3: Cross multiply
    499,213,386.32x = 747,363,012.54 × 291,314,716.88
  4. Step 4: Simplify right side
    499,213,386.32x = 217,717,844,400,937,152
  5. Step 5: Solve for x
    x = 217,717,844,400,937,152/499,213,386.32
  6. Step 6: Final answer
    x = 436,121,807.57

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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.