Home / 995,518,011.36-1,373,609,761.02-572,049,849.36

Finding the Fourth Proportional to 995,518,011.36, 1,373,609,761.02 and 572,049,849.36

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Solution

The fourth proportional to 995,518,011.36, 1,373,609,761.02 and 572,049,849.36 is: 789,310,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,518,011.36 : 1,373,609,761.02 = 572,049,849.36 : x
  2. Step 2: Convert to fraction form
    995,518,011.36/1,373,609,761.02 = 572,049,849.36/x
  3. Step 3: Cross multiply
    995,518,011.36x = 1,373,609,761.02 × 572,049,849.36
  4. Step 4: Simplify right side
    995,518,011.36x = 785,773,256,870,916,608
  5. Step 5: Solve for x
    x = 785,773,256,870,916,608/995,518,011.36
  6. Step 6: Final answer
    x = 789,310,939.54

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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.