Home / 509,518,716.08-763,279,254-264,036,381.28

Finding the Fourth Proportional to 509,518,716.08, 763,279,254 and 264,036,381.28

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Solution

The fourth proportional to 509,518,716.08, 763,279,254 and 264,036,381.28 is: 395,536,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,518,716.08 : 763,279,254 = 264,036,381.28 : x
  2. Step 2: Convert to fraction form
    509,518,716.08/763,279,254 = 264,036,381.28/x
  3. Step 3: Cross multiply
    509,518,716.08x = 763,279,254 × 264,036,381.28
  4. Step 4: Simplify right side
    509,518,716.08x = 201,533,492,132,257,952
  5. Step 5: Solve for x
    x = 201,533,492,132,257,952/509,518,716.08
  6. Step 6: Final answer
    x = 395,536,975.92

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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.