Home / 576,917,022.60-865,375,533.90-519,474,155.40

Finding the Fourth Proportional to 576,917,022.60, 865,375,533.90 and 519,474,155.40

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Solution

The fourth proportional to 576,917,022.60, 865,375,533.90 and 519,474,155.40 is: 779,211,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,917,022.60 : 865,375,533.90 = 519,474,155.40 : x
  2. Step 2: Convert to fraction form
    576,917,022.60/865,375,533.90 = 519,474,155.40/x
  3. Step 3: Cross multiply
    576,917,022.60x = 865,375,533.90 × 519,474,155.40
  4. Step 4: Simplify right side
    576,917,022.60x = 449,540,224,576,526,528
  5. Step 5: Solve for x
    x = 449,540,224,576,526,528/576,917,022.60
  6. Step 6: Final answer
    x = 779,211,233.10

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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.