Home / 1,030,069,083.70-1,545,103,625.55-485,873,499.70

Finding the Fourth Proportional to 1,030,069,083.70, 1,545,103,625.55 and 485,873,499.70

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Solution

The fourth proportional to 1,030,069,083.70, 1,545,103,625.55 and 485,873,499.70 is: 728,810,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,069,083.70 : 1,545,103,625.55 = 485,873,499.70 : x
  2. Step 2: Convert to fraction form
    1,030,069,083.70/1,545,103,625.55 = 485,873,499.70/x
  3. Step 3: Cross multiply
    1,030,069,083.70x = 1,545,103,625.55 × 485,873,499.70
  4. Step 4: Simplify right side
    1,030,069,083.70x = 750,724,905,945,136,768
  5. Step 5: Solve for x
    x = 750,724,905,945,136,768/1,030,069,083.70
  6. Step 6: Final answer
    x = 728,810,249.55

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Half scale
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Double scale
Find fourth proportional to 1,030,069,084.70, 1,545,103,627.05 and 485,873,500.70
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.