Home / 371,376,009.60-557,064,014.40-199,189,125.60

Finding the Fourth Proportional to 371,376,009.60, 557,064,014.40 and 199,189,125.60

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Solution

The fourth proportional to 371,376,009.60, 557,064,014.40 and 199,189,125.60 is: 298,783,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,376,009.60 : 557,064,014.40 = 199,189,125.60 : x
  2. Step 2: Convert to fraction form
    371,376,009.60/557,064,014.40 = 199,189,125.60/x
  3. Step 3: Cross multiply
    371,376,009.60x = 557,064,014.40 × 199,189,125.60
  4. Step 4: Simplify right side
    371,376,009.60x = 110,961,093,931,561,808
  5. Step 5: Solve for x
    x = 110,961,093,931,561,808/371,376,009.60
  6. Step 6: Final answer
    x = 298,783,688.40

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Similar ratio
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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.