Home / 305,688,673.20-458,533,009.80-203,652,001.20

Finding the Fourth Proportional to 305,688,673.20, 458,533,009.80 and 203,652,001.20

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Solution

The fourth proportional to 305,688,673.20, 458,533,009.80 and 203,652,001.20 is: 305,478,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,688,673.20 : 458,533,009.80 = 203,652,001.20 : x
  2. Step 2: Convert to fraction form
    305,688,673.20/458,533,009.80 = 203,652,001.20/x
  3. Step 3: Cross multiply
    305,688,673.20x = 458,533,009.80 × 203,652,001.20
  4. Step 4: Simplify right side
    305,688,673.20x = 93,381,165,062,029,216
  5. Step 5: Solve for x
    x = 93,381,165,062,029,216/305,688,673.20
  6. Step 6: Final answer
    x = 305,478,001.80

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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.