Home / 388,741,567.05-583,112,350.58-377,979,886.80

Finding the Fourth Proportional to 388,741,567.05, 583,112,350.58 and 377,979,886.80

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Solution

The fourth proportional to 388,741,567.05, 583,112,350.58 and 377,979,886.80 is: 566,969,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,741,567.05 : 583,112,350.58 = 377,979,886.80 : x
  2. Step 2: Convert to fraction form
    388,741,567.05/583,112,350.58 = 377,979,886.80/x
  3. Step 3: Cross multiply
    388,741,567.05x = 583,112,350.58 × 377,979,886.80
  4. Step 4: Simplify right side
    388,741,567.05x = 220,404,740,262,020,448
  5. Step 5: Solve for x
    x = 220,404,740,262,020,448/388,741,567.05
  6. Step 6: Final answer
    x = 566,969,830.20

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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.