Home / 566,196,507.87-780,948,688.80-377,929,879.57

Finding the Fourth Proportional to 566,196,507.87, 780,948,688.80 and 377,929,879.57

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Solution

The fourth proportional to 566,196,507.87, 780,948,688.80 and 377,929,879.57 is: 521,274,574.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,196,507.87 : 780,948,688.80 = 377,929,879.57 : x
  2. Step 2: Convert to fraction form
    566,196,507.87/780,948,688.80 = 377,929,879.57/x
  3. Step 3: Cross multiply
    566,196,507.87x = 780,948,688.80 × 377,929,879.57
  4. Step 4: Simplify right side
    566,196,507.87x = 295,143,843,908,533,376
  5. Step 5: Solve for x
    x = 295,143,843,908,533,376/566,196,507.87
  6. Step 6: Final answer
    x = 521,274,574.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.