Home / 941,058,981.12-1,298,654,227.10-517,663,548.60

Finding the Fourth Proportional to 941,058,981.12, 1,298,654,227.10 and 517,663,548.60

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Solution

The fourth proportional to 941,058,981.12, 1,298,654,227.10 and 517,663,548.60 is: 714,371,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,058,981.12 : 1,298,654,227.10 = 517,663,548.60 : x
  2. Step 2: Convert to fraction form
    941,058,981.12/1,298,654,227.10 = 517,663,548.60/x
  3. Step 3: Cross multiply
    941,058,981.12x = 1,298,654,227.10 × 517,663,548.60
  4. Step 4: Simplify right side
    941,058,981.12x = 672,265,955,604,976,256
  5. Step 5: Solve for x
    x = 672,265,955,604,976,256/941,058,981.12
  6. Step 6: Final answer
    x = 714,371,754.69

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1.5x scale

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.