Home / 1,088,688,760.20-1,631,988,045.90-361,303,057.80

Finding the Fourth Proportional to 1,088,688,760.20, 1,631,988,045.90 and 361,303,057.80

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Solution

The fourth proportional to 1,088,688,760.20, 1,631,988,045.90 and 361,303,057.80 is: 541,607,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,688,760.20 : 1,631,988,045.90 = 361,303,057.80 : x
  2. Step 2: Convert to fraction form
    1,088,688,760.20/1,631,988,045.90 = 361,303,057.80/x
  3. Step 3: Cross multiply
    1,088,688,760.20x = 1,631,988,045.90 × 361,303,057.80
  4. Step 4: Simplify right side
    1,088,688,760.20x = 589,642,271,276,716,800
  5. Step 5: Solve for x
    x = 589,642,271,276,716,800/1,088,688,760.20
  6. Step 6: Final answer
    x = 541,607,751.30

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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.