Home / 933,925,346.92-1,288,817,261.22-510,540,849.64

Finding the Fourth Proportional to 933,925,346.92, 1,288,817,261.22 and 510,540,849.64

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Solution

The fourth proportional to 933,925,346.92, 1,288,817,261.22 and 510,540,849.64 is: 704,546,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,925,346.92 : 1,288,817,261.22 = 510,540,849.64 : x
  2. Step 2: Convert to fraction form
    933,925,346.92/1,288,817,261.22 = 510,540,849.64/x
  3. Step 3: Cross multiply
    933,925,346.92x = 1,288,817,261.22 × 510,540,849.64
  4. Step 4: Simplify right side
    933,925,346.92x = 657,993,859,573,956,608
  5. Step 5: Solve for x
    x = 657,993,859,573,956,608/933,925,346.92
  6. Step 6: Final answer
    x = 704,546,526.92

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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.