Home / 749,088,048.30-1,123,632,072.45-477,662,102.70

Finding the Fourth Proportional to 749,088,048.30, 1,123,632,072.45 and 477,662,102.70

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Solution

The fourth proportional to 749,088,048.30, 1,123,632,072.45 and 477,662,102.70 is: 716,493,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,088,048.30 : 1,123,632,072.45 = 477,662,102.70 : x
  2. Step 2: Convert to fraction form
    749,088,048.30/1,123,632,072.45 = 477,662,102.70/x
  3. Step 3: Cross multiply
    749,088,048.30x = 1,123,632,072.45 × 477,662,102.70
  4. Step 4: Simplify right side
    749,088,048.30x = 536,716,458,387,625,728
  5. Step 5: Solve for x
    x = 536,716,458,387,625,728/749,088,048.30
  6. Step 6: Final answer
    x = 716,493,154.05

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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.