Home / 469,008,139.70-703,512,209.55-346,564,133.30

Finding the Fourth Proportional to 469,008,139.70, 703,512,209.55 and 346,564,133.30

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Solution

The fourth proportional to 469,008,139.70, 703,512,209.55 and 346,564,133.30 is: 519,846,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,008,139.70 : 703,512,209.55 = 346,564,133.30 : x
  2. Step 2: Convert to fraction form
    469,008,139.70/703,512,209.55 = 346,564,133.30/x
  3. Step 3: Cross multiply
    469,008,139.70x = 703,512,209.55 × 346,564,133.30
  4. Step 4: Simplify right side
    469,008,139.70x = 243,812,099,168,663,712
  5. Step 5: Solve for x
    x = 243,812,099,168,663,712/469,008,139.70
  6. Step 6: Final answer
    x = 519,846,199.95

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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.