Home / 459,715,578.30-689,815,502.37-265,763,203.74

Finding the Fourth Proportional to 459,715,578.30, 689,815,502.37 and 265,763,203.74

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Solution

The fourth proportional to 459,715,578.30, 689,815,502.37 and 265,763,203.74 is: 398,784,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,715,578.30 : 689,815,502.37 = 265,763,203.74 : x
  2. Step 2: Convert to fraction form
    459,715,578.30/689,815,502.37 = 265,763,203.74/x
  3. Step 3: Cross multiply
    459,715,578.30x = 689,815,502.37 × 265,763,203.74
  4. Step 4: Simplify right side
    459,715,578.30x = 183,327,577,899,368,768
  5. Step 5: Solve for x
    x = 183,327,577,899,368,768/459,715,578.30
  6. Step 6: Final answer
    x = 398,784,784.66

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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.