Home / 974,171,981.25-1,344,502,893.83-766,887,946.29

Finding the Fourth Proportional to 974,171,981.25, 1,344,502,893.83 and 766,887,946.29

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Solution

The fourth proportional to 974,171,981.25, 1,344,502,893.83 and 766,887,946.29 is: 1,058,419,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,171,981.25 : 1,344,502,893.83 = 766,887,946.29 : x
  2. Step 2: Convert to fraction form
    974,171,981.25/1,344,502,893.83 = 766,887,946.29/x
  3. Step 3: Cross multiply
    974,171,981.25x = 1,344,502,893.83 × 766,887,946.29
  4. Step 4: Simplify right side
    974,171,981.25x = 1,031,083,063,026,416,128
  5. Step 5: Solve for x
    x = 1,031,083,063,026,416,128/974,171,981.25
  6. Step 6: Final answer
    x = 1,058,419,953.43

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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.