Home / 911,354,217.22-1,257,643,050.78-535,004,759.62

Finding the Fourth Proportional to 911,354,217.22, 1,257,643,050.78 and 535,004,759.62

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Solution

The fourth proportional to 911,354,217.22, 1,257,643,050.78 and 535,004,759.62 is: 738,291,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,354,217.22 : 1,257,643,050.78 = 535,004,759.62 : x
  2. Step 2: Convert to fraction form
    911,354,217.22/1,257,643,050.78 = 535,004,759.62/x
  3. Step 3: Cross multiply
    911,354,217.22x = 1,257,643,050.78 × 535,004,759.62
  4. Step 4: Simplify right side
    911,354,217.22x = 672,845,018,070,317,312
  5. Step 5: Solve for x
    x = 672,845,018,070,317,312/911,354,217.22
  6. Step 6: Final answer
    x = 738,291,440.76

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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.