Home / 933,217,459.47-1,287,879,218.37-536,740,559.73

Finding the Fourth Proportional to 933,217,459.47, 1,287,879,218.37 and 536,740,559.73

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Solution

The fourth proportional to 933,217,459.47, 1,287,879,218.37 and 536,740,559.73 is: 740,724,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,217,459.47 : 1,287,879,218.37 = 536,740,559.73 : x
  2. Step 2: Convert to fraction form
    933,217,459.47/1,287,879,218.37 = 536,740,559.73/x
  3. Step 3: Cross multiply
    933,217,459.47x = 1,287,879,218.37 × 536,740,559.73
  4. Step 4: Simplify right side
    933,217,459.47x = 691,257,012,532,548,608
  5. Step 5: Solve for x
    x = 691,257,012,532,548,608/933,217,459.47
  6. Step 6: Final answer
    x = 740,724,474.79

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.