Home / 440,663,977,111.20-660,995,965,666.80-161,455,362,813.60

Finding the Fourth Proportional to 440,663,977,111.20, 660,995,965,666.80 and 161,455,362,813.60

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Solution

The fourth proportional to 440,663,977,111.20, 660,995,965,666.80 and 161,455,362,813.60 is: 242,183,044,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,663,977,111.20 : 660,995,965,666.80 = 161,455,362,813.60 : x
  2. Step 2: Convert to fraction form
    440,663,977,111.20/660,995,965,666.80 = 161,455,362,813.60/x
  3. Step 3: Cross multiply
    440,663,977,111.20x = 660,995,965,666.80 × 161,455,362,813.60
  4. Step 4: Simplify right side
    440,663,977,111.20x = 106,721,343,455,059,102,400,512
  5. Step 5: Solve for x
    x = 106,721,343,455,059,102,400,512/440,663,977,111.20
  6. Step 6: Final answer
    x = 242,183,044,220.40

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1.5x scale

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.