Home / 465,430,068.76-642,298,444.50-256,593,684.80

Finding the Fourth Proportional to 465,430,068.76, 642,298,444.50 and 256,593,684.80

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Solution

The fourth proportional to 465,430,068.76, 642,298,444.50 and 256,593,684.80 is: 354,102,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,430,068.76 : 642,298,444.50 = 256,593,684.80 : x
  2. Step 2: Convert to fraction form
    465,430,068.76/642,298,444.50 = 256,593,684.80/x
  3. Step 3: Cross multiply
    465,430,068.76x = 642,298,444.50 × 256,593,684.80
  4. Step 4: Simplify right side
    465,430,068.76x = 164,809,724,613,314,016
  5. Step 5: Solve for x
    x = 164,809,724,613,314,016/465,430,068.76
  6. Step 6: Final answer
    x = 354,102,013.76

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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.