Home / 641,579,717.98-885,380,666.07-348,224,346.46

Finding the Fourth Proportional to 641,579,717.98, 885,380,666.07 and 348,224,346.46

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Solution

The fourth proportional to 641,579,717.98, 885,380,666.07 and 348,224,346.46 is: 480,549,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,579,717.98 : 885,380,666.07 = 348,224,346.46 : x
  2. Step 2: Convert to fraction form
    641,579,717.98/885,380,666.07 = 348,224,346.46/x
  3. Step 3: Cross multiply
    641,579,717.98x = 885,380,666.07 × 348,224,346.46
  4. Step 4: Simplify right side
    641,579,717.98x = 308,311,103,810,545,216
  5. Step 5: Solve for x
    x = 308,311,103,810,545,216/641,579,717.98
  6. Step 6: Final answer
    x = 480,549,953.76

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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.