Home / 1,555,616,089.56-2,334,190,226.67-726,449,224.63

Finding the Fourth Proportional to 1,555,616,089.56, 2,334,190,226.67 and 726,449,224.63

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Solution

The fourth proportional to 1,555,616,089.56, 2,334,190,226.67 and 726,449,224.63 is: 1,090,031,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,616,089.56 : 2,334,190,226.67 = 726,449,224.63 : x
  2. Step 2: Convert to fraction form
    1,555,616,089.56/2,334,190,226.67 = 726,449,224.63/x
  3. Step 3: Cross multiply
    1,555,616,089.56x = 2,334,190,226.67 × 726,449,224.63
  4. Step 4: Simplify right side
    1,555,616,089.56x = 1,695,670,680,303,345,408
  5. Step 5: Solve for x
    x = 1,695,670,680,303,345,408/1,555,616,089.56
  6. Step 6: Final answer
    x = 1,090,031,590.50

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Half scale
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Double scale
Find fourth proportional to 1,555,616,090.56, 2,334,190,228.17 and 726,449,225.63
Similar ratio
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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.