Home / 385,889,705.20-578,657,610.60-170,368,015.60

Finding the Fourth Proportional to 385,889,705.20, 578,657,610.60 and 170,368,015.60

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Solution

The fourth proportional to 385,889,705.20, 578,657,610.60 and 170,368,015.60 is: 255,473,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,889,705.20 : 578,657,610.60 = 170,368,015.60 : x
  2. Step 2: Convert to fraction form
    385,889,705.20/578,657,610.60 = 170,368,015.60/x
  3. Step 3: Cross multiply
    385,889,705.20x = 578,657,610.60 × 170,368,015.60
  4. Step 4: Simplify right side
    385,889,705.20x = 98,584,748,829,759,520
  5. Step 5: Solve for x
    x = 98,584,748,829,759,520/385,889,705.20
  6. Step 6: Final answer
    x = 255,473,902.26

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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.