Home / 1,058,121,037.76-1,458,053,578.06-818,510,551.20

Finding the Fourth Proportional to 1,058,121,037.76, 1,458,053,578.06 and 818,510,551.20

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Solution

The fourth proportional to 1,058,121,037.76, 1,458,053,578.06 and 818,510,551.20 is: 1,127,878,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,121,037.76 : 1,458,053,578.06 = 818,510,551.20 : x
  2. Step 2: Convert to fraction form
    1,058,121,037.76/1,458,053,578.06 = 818,510,551.20/x
  3. Step 3: Cross multiply
    1,058,121,037.76x = 1,458,053,578.06 × 818,510,551.20
  4. Step 4: Simplify right side
    1,058,121,037.76x = 1,193,432,237,854,976,512
  5. Step 5: Solve for x
    x = 1,193,432,237,854,976,512/1,058,121,037.76
  6. Step 6: Final answer
    x = 1,127,878,754.20

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Double scale
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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.