Home / 689,548,112.55-951,596,492.49-376,302,504.24

Finding the Fourth Proportional to 689,548,112.55, 951,596,492.49 and 376,302,504.24

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Solution

The fourth proportional to 689,548,112.55, 951,596,492.49 and 376,302,504.24 is: 519,308,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,548,112.55 : 951,596,492.49 = 376,302,504.24 : x
  2. Step 2: Convert to fraction form
    689,548,112.55/951,596,492.49 = 376,302,504.24/x
  3. Step 3: Cross multiply
    689,548,112.55x = 951,596,492.49 × 376,302,504.24
  4. Step 4: Simplify right side
    689,548,112.55x = 358,088,143,149,987,392
  5. Step 5: Solve for x
    x = 358,088,143,149,987,392/689,548,112.55
  6. Step 6: Final answer
    x = 519,308,423.35

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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.