Home / 1,057,321,418.76-1,459,018,015.08-611,313,397.70

Finding the Fourth Proportional to 1,057,321,418.76, 1,459,018,015.08 and 611,313,397.70

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Solution

The fourth proportional to 1,057,321,418.76, 1,459,018,015.08 and 611,313,397.70 is: 843,563,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,321,418.76 : 1,459,018,015.08 = 611,313,397.70 : x
  2. Step 2: Convert to fraction form
    1,057,321,418.76/1,459,018,015.08 = 611,313,397.70/x
  3. Step 3: Cross multiply
    1,057,321,418.76x = 1,459,018,015.08 × 611,313,397.70
  4. Step 4: Simplify right side
    1,057,321,418.76x = 891,917,260,104,064,640
  5. Step 5: Solve for x
    x = 891,917,260,104,064,640/1,057,321,418.76
  6. Step 6: Final answer
    x = 843,563,030.39

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Half scale
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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.