Home / 292,037,712.60-438,056,568.90-177,151,978.20

Finding the Fourth Proportional to 292,037,712.60, 438,056,568.90 and 177,151,978.20

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Solution

The fourth proportional to 292,037,712.60, 438,056,568.90 and 177,151,978.20 is: 265,727,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,037,712.60 : 438,056,568.90 = 177,151,978.20 : x
  2. Step 2: Convert to fraction form
    292,037,712.60/438,056,568.90 = 177,151,978.20/x
  3. Step 3: Cross multiply
    292,037,712.60x = 438,056,568.90 × 177,151,978.20
  4. Step 4: Simplify right side
    292,037,712.60x = 77,602,587,744,139,584
  5. Step 5: Solve for x
    x = 77,602,587,744,139,584/292,037,712.60
  6. Step 6: Final answer
    x = 265,727,967.30

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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.