Home / 838,512,649.20-1,258,902,714.60-532,402,633.20

Finding the Fourth Proportional to 838,512,649.20, 1,258,902,714.60 and 532,402,633.20

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Solution

The fourth proportional to 838,512,649.20, 1,258,902,714.60 and 532,402,633.20 is: 799,323,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,512,649.20 : 1,258,902,714.60 = 532,402,633.20 : x
  2. Step 2: Convert to fraction form
    838,512,649.20/1,258,902,714.60 = 532,402,633.20/x
  3. Step 3: Cross multiply
    838,512,649.20x = 1,258,902,714.60 × 532,402,633.20
  4. Step 4: Simplify right side
    838,512,649.20x = 670,243,120,195,667,968
  5. Step 5: Solve for x
    x = 670,243,120,195,667,968/838,512,649.20
  6. Step 6: Final answer
    x = 799,323,803.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.