Home / 440,446,271,457.90-660,669,590,326.36-198,140,359,419.20

Finding the Fourth Proportional to 440,446,271,457.90, 660,669,590,326.36 and 198,140,359,419.20

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Solution

The fourth proportional to 440,446,271,457.90, 660,669,590,326.36 and 198,140,359,419.20 is: 297,210,621,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,446,271,457.90 : 660,669,590,326.36 = 198,140,359,419.20 : x
  2. Step 2: Convert to fraction form
    440,446,271,457.90/660,669,590,326.36 = 198,140,359,419.20/x
  3. Step 3: Cross multiply
    440,446,271,457.90x = 660,669,590,326.36 × 198,140,359,419.20
  4. Step 4: Simplify right side
    440,446,271,457.90x = 130,905,310,084,600,602,558,464
  5. Step 5: Solve for x
    x = 130,905,310,084,600,602,558,464/440,446,271,457.90
  6. Step 6: Final answer
    x = 297,210,621,516.44

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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.