Home / 393,403,533.81-543,141,886.27-250,429,967.82

Finding the Fourth Proportional to 393,403,533.81, 543,141,886.27 and 250,429,967.82

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Solution

The fourth proportional to 393,403,533.81, 543,141,886.27 and 250,429,967.82 is: 345,749,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,403,533.81 : 543,141,886.27 = 250,429,967.82 : x
  2. Step 2: Convert to fraction form
    393,403,533.81/543,141,886.27 = 250,429,967.82/x
  3. Step 3: Cross multiply
    393,403,533.81x = 543,141,886.27 × 250,429,967.82
  4. Step 4: Simplify right side
    393,403,533.81x = 136,019,005,098,315,664
  5. Step 5: Solve for x
    x = 136,019,005,098,315,664/393,403,533.81
  6. Step 6: Final answer
    x = 345,749,322.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.