Home / 946,685,362.35-1,306,400,739.60-529,001,079.87

Finding the Fourth Proportional to 946,685,362.35, 1,306,400,739.60 and 529,001,079.87

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Solution

The fourth proportional to 946,685,362.35, 1,306,400,739.60 and 529,001,079.87 is: 730,007,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,685,362.35 : 1,306,400,739.60 = 529,001,079.87 : x
  2. Step 2: Convert to fraction form
    946,685,362.35/1,306,400,739.60 = 529,001,079.87/x
  3. Step 3: Cross multiply
    946,685,362.35x = 1,306,400,739.60 × 529,001,079.87
  4. Step 4: Simplify right side
    946,685,362.35x = 691,087,401,991,366,656
  5. Step 5: Solve for x
    x = 691,087,401,991,366,656/946,685,362.35
  6. Step 6: Final answer
    x = 730,007,486.62

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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.