Home / 700,481,402.78-966,675,826.56-418,248,503.98

Finding the Fourth Proportional to 700,481,402.78, 966,675,826.56 and 418,248,503.98

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Solution

The fourth proportional to 700,481,402.78, 966,675,826.56 and 418,248,503.98 is: 577,189,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,481,402.78 : 966,675,826.56 = 418,248,503.98 : x
  2. Step 2: Convert to fraction form
    700,481,402.78/966,675,826.56 = 418,248,503.98/x
  3. Step 3: Cross multiply
    700,481,402.78x = 966,675,826.56 × 418,248,503.98
  4. Step 4: Simplify right side
    700,481,402.78x = 404,310,718,291,501,696
  5. Step 5: Solve for x
    x = 404,310,718,291,501,696/700,481,402.78
  6. Step 6: Final answer
    x = 577,189,796.46

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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.