Home / 342,406,096,459.60-513,405,677,549.40-130,185,763,491.28

Finding the Fourth Proportional to 342,406,096,459.60, 513,405,677,549.40 and 130,185,763,491.28

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Solution

The fourth proportional to 342,406,096,459.60, 513,405,677,549.40 and 130,185,763,491.28 is: 195,201,285,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,406,096,459.60 : 513,405,677,549.40 = 130,185,763,491.28 : x
  2. Step 2: Convert to fraction form
    342,406,096,459.60/513,405,677,549.40 = 130,185,763,491.28/x
  3. Step 3: Cross multiply
    342,406,096,459.60x = 513,405,677,549.40 × 130,185,763,491.28
  4. Step 4: Simplify right side
    342,406,096,459.60x = 66,838,110,112,526,551,220,224
  5. Step 5: Solve for x
    x = 66,838,110,112,526,551,220,224/342,406,096,459.60
  6. Step 6: Final answer
    x = 195,201,285,268.04

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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.