Home / 1,277,662,365.40-1,916,493,548.10-818,497,341.40

Finding the Fourth Proportional to 1,277,662,365.40, 1,916,493,548.10 and 818,497,341.40

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Solution

The fourth proportional to 1,277,662,365.40, 1,916,493,548.10 and 818,497,341.40 is: 1,227,746,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,662,365.40 : 1,916,493,548.10 = 818,497,341.40 : x
  2. Step 2: Convert to fraction form
    1,277,662,365.40/1,916,493,548.10 = 818,497,341.40/x
  3. Step 3: Cross multiply
    1,277,662,365.40x = 1,916,493,548.10 × 818,497,341.40
  4. Step 4: Simplify right side
    1,277,662,365.40x = 1,568,644,873,930,102,784
  5. Step 5: Solve for x
    x = 1,568,644,873,930,102,784/1,277,662,365.40
  6. Step 6: Final answer
    x = 1,227,746,012.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.