Home / 1,239,636,613.38-1,710,775,833.40-682,719,512.82

Finding the Fourth Proportional to 1,239,636,613.38, 1,710,775,833.40 and 682,719,512.82

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Solution

The fourth proportional to 1,239,636,613.38, 1,710,775,833.40 and 682,719,512.82 is: 942,195,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,636,613.38 : 1,710,775,833.40 = 682,719,512.82 : x
  2. Step 2: Convert to fraction form
    1,239,636,613.38/1,710,775,833.40 = 682,719,512.82/x
  3. Step 3: Cross multiply
    1,239,636,613.38x = 1,710,775,833.40 × 682,719,512.82
  4. Step 4: Simplify right side
    1,239,636,613.38x = 1,167,980,043,523,077,632
  5. Step 5: Solve for x
    x = 1,167,980,043,523,077,632/1,239,636,613.38
  6. Step 6: Final answer
    x = 942,195,503.84

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Half scale
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Double scale
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1.5x scale

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.