Home / 1,354,157,676.74-1,868,941,857.12-825,828,139.64

Finding the Fourth Proportional to 1,354,157,676.74, 1,868,941,857.12 and 825,828,139.64

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Solution

The fourth proportional to 1,354,157,676.74, 1,868,941,857.12 and 825,828,139.64 is: 1,139,767,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,157,676.74 : 1,868,941,857.12 = 825,828,139.64 : x
  2. Step 2: Convert to fraction form
    1,354,157,676.74/1,868,941,857.12 = 825,828,139.64/x
  3. Step 3: Cross multiply
    1,354,157,676.74x = 1,868,941,857.12 × 825,828,139.64
  4. Step 4: Simplify right side
    1,354,157,676.74x = 1,543,424,776,960,736,256
  5. Step 5: Solve for x
    x = 1,543,424,776,960,736,256/1,354,157,676.74
  6. Step 6: Final answer
    x = 1,139,767,401.89

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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.