Home / 749,088,035.80-1,123,632,053.70-477,662,090.20

Finding the Fourth Proportional to 749,088,035.80, 1,123,632,053.70 and 477,662,090.20

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Solution

The fourth proportional to 749,088,035.80, 1,123,632,053.70 and 477,662,090.20 is: 716,493,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,088,035.80 : 1,123,632,053.70 = 477,662,090.20 : x
  2. Step 2: Convert to fraction form
    749,088,035.80/1,123,632,053.70 = 477,662,090.20/x
  3. Step 3: Cross multiply
    749,088,035.80x = 1,123,632,053.70 × 477,662,090.20
  4. Step 4: Simplify right side
    749,088,035.80x = 536,716,435,386,060,672
  5. Step 5: Solve for x
    x = 536,716,435,386,060,672/749,088,035.80
  6. Step 6: Final answer
    x = 716,493,135.30

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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.