Home / 946,846,744.19-1,306,688,860.55-529,159,017.19

Finding the Fourth Proportional to 946,846,744.19, 1,306,688,860.55 and 529,159,017.19

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Solution

The fourth proportional to 946,846,744.19, 1,306,688,860.55 and 529,159,017.19 is: 730,261,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,846,744.19 : 1,306,688,860.55 = 529,159,017.19 : x
  2. Step 2: Convert to fraction form
    946,846,744.19/1,306,688,860.55 = 529,159,017.19/x
  3. Step 3: Cross multiply
    946,846,744.19x = 1,306,688,860.55 × 529,159,017.19
  4. Step 4: Simplify right side
    946,846,744.19x = 691,446,193,219,815,168
  5. Step 5: Solve for x
    x = 691,446,193,219,815,168/946,846,744.19
  6. Step 6: Final answer
    x = 730,261,995.89

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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.