Home / 991,674,802.20-1,487,512,203.30-931,208,626.20

Finding the Fourth Proportional to 991,674,802.20, 1,487,512,203.30 and 931,208,626.20

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Solution

The fourth proportional to 991,674,802.20, 1,487,512,203.30 and 931,208,626.20 is: 1,396,812,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,674,802.20 : 1,487,512,203.30 = 931,208,626.20 : x
  2. Step 2: Convert to fraction form
    991,674,802.20/1,487,512,203.30 = 931,208,626.20/x
  3. Step 3: Cross multiply
    991,674,802.20x = 1,487,512,203.30 × 931,208,626.20
  4. Step 4: Simplify right side
    991,674,802.20x = 1,385,184,195,290,728,192
  5. Step 5: Solve for x
    x = 1,385,184,195,290,728,192/991,674,802.20
  6. Step 6: Final answer
    x = 1,396,812,939.30

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1.5x scale

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.