Home / 1,398,345,061,166.10-1,929,695,815,303-781,056,562,975

Finding the Fourth Proportional to 1,398,345,061,166.10, 1,929,695,815,303 and 781,056,562,975

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Solution

The fourth proportional to 1,398,345,061,166.10, 1,929,695,815,303 and 781,056,562,975 is: 1,077,846,679,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,345,061,166.10 : 1,929,695,815,303 = 781,056,562,975 : x
  2. Step 2: Convert to fraction form
    1,398,345,061,166.10/1,929,695,815,303 = 781,056,562,975/x
  3. Step 3: Cross multiply
    1,398,345,061,166.10x = 1,929,695,815,303 × 781,056,562,975
  4. Step 4: Simplify right side
    1,398,345,061,166.10x = 1,507,201,581,087,801,548,472,320
  5. Step 5: Solve for x
    x = 1,507,201,581,087,801,548,472,320/1,398,345,061,166.10
  6. Step 6: Final answer
    x = 1,077,846,679,582.02

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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.