Home / 472,148,045.40-708,222,068.10-165,400,300.20

Finding the Fourth Proportional to 472,148,045.40, 708,222,068.10 and 165,400,300.20

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Solution

The fourth proportional to 472,148,045.40, 708,222,068.10 and 165,400,300.20 is: 248,100,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,148,045.40 : 708,222,068.10 = 165,400,300.20 : x
  2. Step 2: Convert to fraction form
    472,148,045.40/708,222,068.10 = 165,400,300.20/x
  3. Step 3: Cross multiply
    472,148,045.40x = 708,222,068.10 × 165,400,300.20
  4. Step 4: Simplify right side
    472,148,045.40x = 117,140,142,672,004,832
  5. Step 5: Solve for x
    x = 117,140,142,672,004,832/472,148,045.40
  6. Step 6: Final answer
    x = 248,100,450.30

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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.