Home / 465,430,068.82-642,298,444.59-256,593,684.86

Finding the Fourth Proportional to 465,430,068.82, 642,298,444.59 and 256,593,684.86

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Solution

The fourth proportional to 465,430,068.82, 642,298,444.59 and 256,593,684.86 is: 354,102,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,430,068.82 : 642,298,444.59 = 256,593,684.86 : x
  2. Step 2: Convert to fraction form
    465,430,068.82/642,298,444.59 = 256,593,684.86/x
  3. Step 3: Cross multiply
    465,430,068.82x = 642,298,444.59 × 256,593,684.86
  4. Step 4: Simplify right side
    465,430,068.82x = 164,809,724,677,194,656
  5. Step 5: Solve for x
    x = 164,809,724,677,194,656/465,430,068.82
  6. Step 6: Final answer
    x = 354,102,013.85

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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.