Home / 1,019,947,709.82-1,407,486,264.38-602,395,172.22

Finding the Fourth Proportional to 1,019,947,709.82, 1,407,486,264.38 and 602,395,172.22

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Solution

The fourth proportional to 1,019,947,709.82, 1,407,486,264.38 and 602,395,172.22 is: 831,280,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,947,709.82 : 1,407,486,264.38 = 602,395,172.22 : x
  2. Step 2: Convert to fraction form
    1,019,947,709.82/1,407,486,264.38 = 602,395,172.22/x
  3. Step 3: Cross multiply
    1,019,947,709.82x = 1,407,486,264.38 × 602,395,172.22
  4. Step 4: Simplify right side
    1,019,947,709.82x = 847,862,930,628,474,624
  5. Step 5: Solve for x
    x = 847,862,930,628,474,624/1,019,947,709.82
  6. Step 6: Final answer
    x = 831,280,782.79

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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.