Home / 749,088,040.80-1,123,632,061.20-477,662,095.20

Finding the Fourth Proportional to 749,088,040.80, 1,123,632,061.20 and 477,662,095.20

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Solution

The fourth proportional to 749,088,040.80, 1,123,632,061.20 and 477,662,095.20 is: 716,493,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,088,040.80 : 1,123,632,061.20 = 477,662,095.20 : x
  2. Step 2: Convert to fraction form
    749,088,040.80/1,123,632,061.20 = 477,662,095.20/x
  3. Step 3: Cross multiply
    749,088,040.80x = 1,123,632,061.20 × 477,662,095.20
  4. Step 4: Simplify right side
    749,088,040.80x = 536,716,444,586,686,656
  5. Step 5: Solve for x
    x = 536,716,444,586,686,656/749,088,040.80
  6. Step 6: Final answer
    x = 716,493,142.80

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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.