Home / 1,115,342,207.02-1,539,163,734.42-613,540,185.53

Finding the Fourth Proportional to 1,115,342,207.02, 1,539,163,734.42 and 613,540,185.53

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Solution

The fourth proportional to 1,115,342,207.02, 1,539,163,734.42 and 613,540,185.53 is: 846,680,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,342,207.02 : 1,539,163,734.42 = 613,540,185.53 : x
  2. Step 2: Convert to fraction form
    1,115,342,207.02/1,539,163,734.42 = 613,540,185.53/x
  3. Step 3: Cross multiply
    1,115,342,207.02x = 1,539,163,734.42 × 613,540,185.53
  4. Step 4: Simplify right side
    1,115,342,207.02x = 944,338,803,177,094,400
  5. Step 5: Solve for x
    x = 944,338,803,177,094,400/1,115,342,207.02
  6. Step 6: Final answer
    x = 846,680,774.06

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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.