Home / 991,058,225.41-1,483,353,809.22-728,673,206.59

Finding the Fourth Proportional to 991,058,225.41, 1,483,353,809.22 and 728,673,206.59

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Solution

The fourth proportional to 991,058,225.41, 1,483,353,809.22 and 728,673,206.59 is: 1,090,632,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,058,225.41 : 1,483,353,809.22 = 728,673,206.59 : x
  2. Step 2: Convert to fraction form
    991,058,225.41/1,483,353,809.22 = 728,673,206.59/x
  3. Step 3: Cross multiply
    991,058,225.41x = 1,483,353,809.22 × 728,673,206.59
  4. Step 4: Simplify right side
    991,058,225.41x = 1,080,880,176,671,828,608
  5. Step 5: Solve for x
    x = 1,080,880,176,671,828,608/991,058,225.41
  6. Step 6: Final answer
    x = 1,090,632,365.44

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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.