Home / 1,427,976,568.41-1,970,607,655.18-801,444,996.35

Finding the Fourth Proportional to 1,427,976,568.41, 1,970,607,655.18 and 801,444,996.35

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Solution

The fourth proportional to 1,427,976,568.41, 1,970,607,655.18 and 801,444,996.35 is: 1,105,994,089.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,976,568.41 : 1,970,607,655.18 = 801,444,996.35 : x
  2. Step 2: Convert to fraction form
    1,427,976,568.41/1,970,607,655.18 = 801,444,996.35/x
  3. Step 3: Cross multiply
    1,427,976,568.41x = 1,970,607,655.18 × 801,444,996.35
  4. Step 4: Simplify right side
    1,427,976,568.41x = 1,579,333,645,018,161,664
  5. Step 5: Solve for x
    x = 1,579,333,645,018,161,664/1,427,976,568.41
  6. Step 6: Final answer
    x = 1,105,994,089.79

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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.