Home / 459,722,261.88-689,825,526.12-265,769,916.48

Finding the Fourth Proportional to 459,722,261.88, 689,825,526.12 and 265,769,916.48

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Solution

The fourth proportional to 459,722,261.88, 689,825,526.12 and 265,769,916.48 is: 398,794,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,722,261.88 : 689,825,526.12 = 265,769,916.48 : x
  2. Step 2: Convert to fraction form
    459,722,261.88/689,825,526.12 = 265,769,916.48/x
  3. Step 3: Cross multiply
    459,722,261.88x = 689,825,526.12 × 265,769,916.48
  4. Step 4: Simplify right side
    459,722,261.88x = 183,334,872,462,684,448
  5. Step 5: Solve for x
    x = 183,334,872,462,684,448/459,722,261.88
  6. Step 6: Final answer
    x = 398,794,854.34

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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.