Home / 1,167,979,621,541.90-1,611,790,544,355.80-647,133,140,167.36

Finding the Fourth Proportional to 1,167,979,621,541.90, 1,611,790,544,355.80 and 647,133,140,167.36

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Solution

The fourth proportional to 1,167,979,621,541.90, 1,611,790,544,355.80 and 647,133,140,167.36 is: 893,031,913,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,979,621,541.90 : 1,611,790,544,355.80 = 647,133,140,167.36 : x
  2. Step 2: Convert to fraction form
    1,167,979,621,541.90/1,611,790,544,355.80 = 647,133,140,167.36/x
  3. Step 3: Cross multiply
    1,167,979,621,541.90x = 1,611,790,544,355.80 × 647,133,140,167.36
  4. Step 4: Simplify right side
    1,167,979,621,541.90x = 1,043,043,076,261,027,466,182,656
  5. Step 5: Solve for x
    x = 1,043,043,076,261,027,466,182,656/1,167,979,621,541.90
  6. Step 6: Final answer
    x = 893,031,913,419.91

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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.