Home / 1,129,532,336.90-1,694,298,505.35-402,258,608.90

Finding the Fourth Proportional to 1,129,532,336.90, 1,694,298,505.35 and 402,258,608.90

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Solution

The fourth proportional to 1,129,532,336.90, 1,694,298,505.35 and 402,258,608.90 is: 603,387,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,532,336.90 : 1,694,298,505.35 = 402,258,608.90 : x
  2. Step 2: Convert to fraction form
    1,129,532,336.90/1,694,298,505.35 = 402,258,608.90/x
  3. Step 3: Cross multiply
    1,129,532,336.90x = 1,694,298,505.35 × 402,258,608.90
  4. Step 4: Simplify right side
    1,129,532,336.90x = 681,546,159,823,440,128
  5. Step 5: Solve for x
    x = 681,546,159,823,440,128/1,129,532,336.90
  6. Step 6: Final answer
    x = 603,387,913.35

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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.