Home / 1,512,515,582.79-2,087,280,601.71-843,502,862.28

Finding the Fourth Proportional to 1,512,515,582.79, 2,087,280,601.71 and 843,502,862.28

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Solution

The fourth proportional to 1,512,515,582.79, 2,087,280,601.71 and 843,502,862.28 is: 1,164,039,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,515,582.79 : 2,087,280,601.71 = 843,502,862.28 : x
  2. Step 2: Convert to fraction form
    1,512,515,582.79/2,087,280,601.71 = 843,502,862.28/x
  3. Step 3: Cross multiply
    1,512,515,582.79x = 2,087,280,601.71 × 843,502,862.28
  4. Step 4: Simplify right side
    1,512,515,582.79x = 1,760,627,161,923,905,536
  5. Step 5: Solve for x
    x = 1,760,627,161,923,905,536/1,512,515,582.79
  6. Step 6: Final answer
    x = 1,164,039,023.44

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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.