Home / 1,030,069,122.70-1,545,103,684.05-485,873,538.70

Finding the Fourth Proportional to 1,030,069,122.70, 1,545,103,684.05 and 485,873,538.70

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Solution

The fourth proportional to 1,030,069,122.70, 1,545,103,684.05 and 485,873,538.70 is: 728,810,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,069,122.70 : 1,545,103,684.05 = 485,873,538.70 : x
  2. Step 2: Convert to fraction form
    1,030,069,122.70/1,545,103,684.05 = 485,873,538.70/x
  3. Step 3: Cross multiply
    1,030,069,122.70x = 1,545,103,684.05 × 485,873,538.70
  4. Step 4: Simplify right side
    1,030,069,122.70x = 750,724,994,627,780,224
  5. Step 5: Solve for x
    x = 750,724,994,627,780,224/1,030,069,122.70
  6. Step 6: Final answer
    x = 728,810,308.05

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Double scale
Find fourth proportional to 1,030,069,123.70, 1,545,103,685.55 and 485,873,539.70
Similar ratio
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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.