Home / 991,094,612.34-1,486,323,673.56-326,959,355.64

Finding the Fourth Proportional to 991,094,612.34, 1,486,323,673.56 and 326,959,355.64

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Solution

The fourth proportional to 991,094,612.34, 1,486,323,673.56 and 326,959,355.64 is: 490,334,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,094,612.34 : 1,486,323,673.56 = 326,959,355.64 : x
  2. Step 2: Convert to fraction form
    991,094,612.34/1,486,323,673.56 = 326,959,355.64/x
  3. Step 3: Cross multiply
    991,094,612.34x = 1,486,323,673.56 × 326,959,355.64
  4. Step 4: Simplify right side
    991,094,612.34x = 485,967,430,579,655,296
  5. Step 5: Solve for x
    x = 485,967,430,579,655,296/991,094,612.34
  6. Step 6: Final answer
    x = 490,334,045.34

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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.