Home / 417,865,575.18-576,475,619.31-260,960,280.78

Finding the Fourth Proportional to 417,865,575.18, 576,475,619.31 and 260,960,280.78

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Solution

The fourth proportional to 417,865,575.18, 576,475,619.31 and 260,960,280.78 is: 360,013,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,865,575.18 : 576,475,619.31 = 260,960,280.78 : x
  2. Step 2: Convert to fraction form
    417,865,575.18/576,475,619.31 = 260,960,280.78/x
  3. Step 3: Cross multiply
    417,865,575.18x = 576,475,619.31 × 260,960,280.78
  4. Step 4: Simplify right side
    417,865,575.18x = 150,437,239,477,961,984
  5. Step 5: Solve for x
    x = 150,437,239,477,961,984/417,865,575.18
  6. Step 6: Final answer
    x = 360,013,479.01

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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.