Home / 1,166,906,569.02-1,610,312,140.71-638,265,930.72

Finding the Fourth Proportional to 1,166,906,569.02, 1,610,312,140.71 and 638,265,930.72

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Solution

The fourth proportional to 1,166,906,569.02, 1,610,312,140.71 and 638,265,930.72 is: 880,796,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,906,569.02 : 1,610,312,140.71 = 638,265,930.72 : x
  2. Step 2: Convert to fraction form
    1,166,906,569.02/1,610,312,140.71 = 638,265,930.72/x
  3. Step 3: Cross multiply
    1,166,906,569.02x = 1,610,312,140.71 × 638,265,930.72
  4. Step 4: Simplify right side
    1,166,906,569.02x = 1,027,807,377,239,983,872
  5. Step 5: Solve for x
    x = 1,027,807,377,239,983,872/1,166,906,569.02
  6. Step 6: Final answer
    x = 880,796,633.19

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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.