Home / 946,685,363.85-1,306,400,741.67-529,001,081.37

Finding the Fourth Proportional to 946,685,363.85, 1,306,400,741.67 and 529,001,081.37

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Solution

The fourth proportional to 946,685,363.85, 1,306,400,741.67 and 529,001,081.37 is: 730,007,488.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,685,363.85 : 1,306,400,741.67 = 529,001,081.37 : x
  2. Step 2: Convert to fraction form
    946,685,363.85/1,306,400,741.67 = 529,001,081.37/x
  3. Step 3: Cross multiply
    946,685,363.85x = 1,306,400,741.67 × 529,001,081.37
  4. Step 4: Simplify right side
    946,685,363.85x = 691,087,405,046,000,128
  5. Step 5: Solve for x
    x = 691,087,405,046,000,128/946,685,363.85
  6. Step 6: Final answer
    x = 730,007,488.69

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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.