Home / 981,868,143.95-1,354,977,680.75-535,831,508.27

Finding the Fourth Proportional to 981,868,143.95, 1,354,977,680.75 and 535,831,508.27

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Solution

The fourth proportional to 981,868,143.95, 1,354,977,680.75 and 535,831,508.27 is: 739,447,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,868,143.95 : 1,354,977,680.75 = 535,831,508.27 : x
  2. Step 2: Convert to fraction form
    981,868,143.95/1,354,977,680.75 = 535,831,508.27/x
  3. Step 3: Cross multiply
    981,868,143.95x = 1,354,977,680.75 × 535,831,508.27
  4. Step 4: Simplify right side
    981,868,143.95x = 726,039,734,348,459,008
  5. Step 5: Solve for x
    x = 726,039,734,348,459,008/981,868,143.95
  6. Step 6: Final answer
    x = 739,447,286.10

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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.