Home / 459,133,744.90-689,418,062.70-265,423,500.40

Finding the Fourth Proportional to 459,133,744.90, 689,418,062.70 and 265,423,500.40

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Solution

The fourth proportional to 459,133,744.90, 689,418,062.70 and 265,423,500.40 is: 398,550,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,133,744.90 : 689,418,062.70 = 265,423,500.40 : x
  2. Step 2: Convert to fraction form
    459,133,744.90/689,418,062.70 = 265,423,500.40/x
  3. Step 3: Cross multiply
    459,133,744.90x = 689,418,062.70 × 265,423,500.40
  4. Step 4: Simplify right side
    459,133,744.90x = 182,987,755,440,820,704
  5. Step 5: Solve for x
    x = 182,987,755,440,820,704/459,133,744.90
  6. Step 6: Final answer
    x = 398,550,003.07

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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.