Home / 930,565,719.10-1,395,848,578.65-413,048,473.30

Finding the Fourth Proportional to 930,565,719.10, 1,395,848,578.65 and 413,048,473.30

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Solution

The fourth proportional to 930,565,719.10, 1,395,848,578.65 and 413,048,473.30 is: 619,572,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,565,719.10 : 1,395,848,578.65 = 413,048,473.30 : x
  2. Step 2: Convert to fraction form
    930,565,719.10/1,395,848,578.65 = 413,048,473.30/x
  3. Step 3: Cross multiply
    930,565,719.10x = 1,395,848,578.65 × 413,048,473.30
  4. Step 4: Simplify right side
    930,565,719.10x = 576,553,124,369,357,568
  5. Step 5: Solve for x
    x = 576,553,124,369,357,568/930,565,719.10
  6. Step 6: Final answer
    x = 619,572,709.95

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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.