Home / 459,692,342.40-689,538,513.60-378,063,004.80

Finding the Fourth Proportional to 459,692,342.40, 689,538,513.60 and 378,063,004.80

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Solution

The fourth proportional to 459,692,342.40, 689,538,513.60 and 378,063,004.80 is: 567,094,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,692,342.40 : 689,538,513.60 = 378,063,004.80 : x
  2. Step 2: Convert to fraction form
    459,692,342.40/689,538,513.60 = 378,063,004.80/x
  3. Step 3: Cross multiply
    459,692,342.40x = 689,538,513.60 × 378,063,004.80
  4. Step 4: Simplify right side
    459,692,342.40x = 260,689,002,376,941,696
  5. Step 5: Solve for x
    x = 260,689,002,376,941,696/459,692,342.40
  6. Step 6: Final answer
    x = 567,094,507.20

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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.