Home / 1,212,878,079.59-1,673,771,736.87-655,961,126.65

Finding the Fourth Proportional to 1,212,878,079.59, 1,673,771,736.87 and 655,961,126.65

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Solution

The fourth proportional to 1,212,878,079.59, 1,673,771,736.87 and 655,961,126.65 is: 905,226,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,878,079.59 : 1,673,771,736.87 = 655,961,126.65 : x
  2. Step 2: Convert to fraction form
    1,212,878,079.59/1,673,771,736.87 = 655,961,126.65/x
  3. Step 3: Cross multiply
    1,212,878,079.59x = 1,673,771,736.87 × 655,961,126.65
  4. Step 4: Simplify right side
    1,212,878,079.59x = 1,097,929,194,267,988,096
  5. Step 5: Solve for x
    x = 1,097,929,194,267,988,096/1,212,878,079.59
  6. Step 6: Final answer
    x = 905,226,347.77

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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.