Home / 1,124,104,874.72-1,551,426,989.76-647,704,001.64

Finding the Fourth Proportional to 1,124,104,874.72, 1,551,426,989.76 and 647,704,001.64

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Solution

The fourth proportional to 1,124,104,874.72, 1,551,426,989.76 and 647,704,001.64 is: 893,925,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,104,874.72 : 1,551,426,989.76 = 647,704,001.64 : x
  2. Step 2: Convert to fraction form
    1,124,104,874.72/1,551,426,989.76 = 647,704,001.64/x
  3. Step 3: Cross multiply
    1,124,104,874.72x = 1,551,426,989.76 × 647,704,001.64
  4. Step 4: Simplify right side
    1,124,104,874.72x = 1,004,865,469,519,851,264
  5. Step 5: Solve for x
    x = 1,004,865,469,519,851,264/1,124,104,874.72
  6. Step 6: Final answer
    x = 893,925,017.25

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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.