Home / 611,924,074.20-917,886,111.30-490,991,722.20

Finding the Fourth Proportional to 611,924,074.20, 917,886,111.30 and 490,991,722.20

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Solution

The fourth proportional to 611,924,074.20, 917,886,111.30 and 490,991,722.20 is: 736,487,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,924,074.20 : 917,886,111.30 = 490,991,722.20 : x
  2. Step 2: Convert to fraction form
    611,924,074.20/917,886,111.30 = 490,991,722.20/x
  3. Step 3: Cross multiply
    611,924,074.20x = 917,886,111.30 × 490,991,722.20
  4. Step 4: Simplify right side
    611,924,074.20x = 450,674,482,570,647,872
  5. Step 5: Solve for x
    x = 450,674,482,570,647,872/611,924,074.20
  6. Step 6: Final answer
    x = 736,487,583.30

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Double scale
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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.