Home / 753,085,006.56-1,039,283,950.32-418,564,199.52

Finding the Fourth Proportional to 753,085,006.56, 1,039,283,950.32 and 418,564,199.52

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Solution

The fourth proportional to 753,085,006.56, 1,039,283,950.32 and 418,564,199.52 is: 577,633,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,085,006.56 : 1,039,283,950.32 = 418,564,199.52 : x
  2. Step 2: Convert to fraction form
    753,085,006.56/1,039,283,950.32 = 418,564,199.52/x
  3. Step 3: Cross multiply
    753,085,006.56x = 1,039,283,950.32 × 418,564,199.52
  4. Step 4: Simplify right side
    753,085,006.56x = 435,007,054,739,674,240
  5. Step 5: Solve for x
    x = 435,007,054,739,674,240/753,085,006.56
  6. Step 6: Final answer
    x = 577,633,402.54

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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.