Home / 1,172,638,749,857.60-1,755,681,026,423.40-633,485,137,528.62

Finding the Fourth Proportional to 1,172,638,749,857.60, 1,755,681,026,423.40 and 633,485,137,528.62

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Solution

The fourth proportional to 1,172,638,749,857.60, 1,755,681,026,423.40 and 633,485,137,528.62 is: 948,457,345,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,638,749,857.60 : 1,755,681,026,423.40 = 633,485,137,528.62 : x
  2. Step 2: Convert to fraction form
    1,172,638,749,857.60/1,755,681,026,423.40 = 633,485,137,528.62/x
  3. Step 3: Cross multiply
    1,172,638,749,857.60x = 1,755,681,026,423.40 × 633,485,137,528.62
  4. Step 4: Simplify right side
    1,172,638,749,857.60x = 1,112,197,836,480,216,146,378,752
  5. Step 5: Solve for x
    x = 1,112,197,836,480,216,146,378,752/1,172,638,749,857.60
  6. Step 6: Final answer
    x = 948,457,345,977.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.