Home / 910,701,255.30-1,256,768,152.56-493,013,540.46

Finding the Fourth Proportional to 910,701,255.30, 1,256,768,152.56 and 493,013,540.46

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Solution

The fourth proportional to 910,701,255.30, 1,256,768,152.56 and 493,013,540.46 is: 680,358,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,701,255.30 : 1,256,768,152.56 = 493,013,540.46 : x
  2. Step 2: Convert to fraction form
    910,701,255.30/1,256,768,152.56 = 493,013,540.46/x
  3. Step 3: Cross multiply
    910,701,255.30x = 1,256,768,152.56 × 493,013,540.46
  4. Step 4: Simplify right side
    910,701,255.30x = 619,603,716,430,978,944
  5. Step 5: Solve for x
    x = 619,603,716,430,978,944/910,701,255.30
  6. Step 6: Final answer
    x = 680,358,913.34

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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.