Home / 486,562,674.92-671,421,632.80-285,627,708.04

Finding the Fourth Proportional to 486,562,674.92, 671,421,632.80 and 285,627,708.04

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Solution

The fourth proportional to 486,562,674.92, 671,421,632.80 and 285,627,708.04 is: 394,145,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,562,674.92 : 671,421,632.80 = 285,627,708.04 : x
  2. Step 2: Convert to fraction form
    486,562,674.92/671,421,632.80 = 285,627,708.04/x
  3. Step 3: Cross multiply
    486,562,674.92x = 671,421,632.80 × 285,627,708.04
  4. Step 4: Simplify right side
    486,562,674.92x = 191,776,622,105,138,496
  5. Step 5: Solve for x
    x = 191,776,622,105,138,496/486,562,674.92
  6. Step 6: Final answer
    x = 394,145,774.00

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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.