Home / 1,199,828,573.91-1,799,374,409.69-423,292,632.03

Finding the Fourth Proportional to 1,199,828,573.91, 1,799,374,409.69 and 423,292,632.03

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Solution

The fourth proportional to 1,199,828,573.91, 1,799,374,409.69 and 423,292,632.03 is: 634,808,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,828,573.91 : 1,799,374,409.69 = 423,292,632.03 : x
  2. Step 2: Convert to fraction form
    1,199,828,573.91/1,799,374,409.69 = 423,292,632.03/x
  3. Step 3: Cross multiply
    1,199,828,573.91x = 1,799,374,409.69 × 423,292,632.03
  4. Step 4: Simplify right side
    1,199,828,573.91x = 761,661,929,882,991,104
  5. Step 5: Solve for x
    x = 761,661,929,882,991,104/1,199,828,573.91
  6. Step 6: Final answer
    x = 634,808,960.58

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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.